The Aerogramme

It began with a siege, a balloon, and a very specific kind of desperation.

Paris, September 1870. The Prussian army had encircled the city. No trains in or out. No telegraph lines. Half a million soldiers, two million civilians, and no way to tell anyone on the outside that you were alive.

So they used balloons. Actual, gas-filled balloons, launched from the Gare du Nord and the Gare d'Orléans, drifting over Prussian lines at night, carrying sacks of mail and the occasional government official. Sixty-seven balloons launched during the siege. Fifty-five made it. The rest landed in the sea, in enemy territory, or — in one famous case — in Norway.

In total, sixty-four balloons made it past enemy lines. They carried sixty-four aeronauts, ninety-one passengers, 363 carrier pigeons, and five thousand kilograms of dispatches — representing three million letters, each weighing just three grams. The balloons carried messages out of Paris to the provinces. The pigeons, fitted with photographic microdispatches, handled the return journey.

It was during this chaos that someone had a quiet, practical idea. What if the letter didn't need an envelope? What if you just wrote on a single sheet, folded it into itself, and sealed it shut? Lighter paper meant more letters per balloon. More letters per balloon meant more people who could say what needed saying before it was too late.

These improvised air letters — inscribed “Par Ballon Monté” — carried patriotic slogans in both French and German along their borders. They weren't official. They weren't sanctioned. They were made by private printers who understood that when the world closes in, people will pay anything to send a few sentences to someone they love.

It would take another seventy years for anyone to revisit the idea. But the seed was there, floating over enemy lines in a wicker basket at 3,000 feet — the notion that a letter and its envelope could be one and the same thing, and that this small compression could matter enormously.

Then came the biplanes, the desert routes, and navigation by railway.

On 25 August 1919, a single-engine plane took off from Hounslow Heath with one passenger and a sack of mail, and landed in Paris two and a half hours later. This was the first regular daily international air passenger service in the world. The pilot navigated by looking for railway lines and reading town names painted on station roofs. Forced landings were not infrequent.

Commercial aviation in those years was held together with canvas, ambition, and government subsidies. In 1924, Imperial Airways was formed with fifteen assorted aeroplanes and a grant of one million pounds to, as the official language put it, “help it off the ground.” Their first routes were weekly services to Paris, Brussels, Amsterdam, Berlin, and Cologne.

The longer routes were the interesting ones. Cairo to Baghdad, pioneered by the RAF, was taken over by Imperial Airways in December 1926. Air navigation across featureless desert was essentially impossible, so they sent convoys of cars to mark out a visible track on the ground. In particularly difficult areas, a tractor ploughed a deep furrow in the sand. Emergency landing grounds were prepared every twenty miles. The pilot of the Handley Page biplane “City of Baghdad” followed these furrows the way you'd follow a motorway today — except the motorway was scratched into the Mesopotamian desert by a farmer's tractor.

All of this mattered because each flight carried mail. And the heavier the mail, the less fuel you could carry, and the fewer emergency landing strips you could skip. Weight was everything. Paper was the enemy.

Then came another war, and the idea finally clicked.

By 1941, Britain had hundreds of thousands of troops stationed overseas. They all wanted to write home. Their families all wanted to write back. Reasonable enough. The trouble was that conventional letters — paper, envelope, additional sheets — were heavy. Heavy things didn't fly cheaply. There was a war on. Fuel was rationed. Aircraft capacity was limited. And morale, the generals had noticed, was dropping.

Someone at the General Post Office remembered the Paris balloon letters and had an updated version of the same thought: what if the letter was the envelope? One sheet of lightweight paper, pre-stamped, folded into thirds, sealed with a lick. No envelope needed. No extra weight. You could fit thousands into a mail sack that used to hold hundreds.

They called it an “air letter.” It cost threepence. Soldiers wrote on the inside — both sides, if they could manage the space — folded it along the printed lines, licked the gummed edge, and handed it in. The recipient back home tore along the perforated edge and unfolded it. That was the whole technology. No machinery, no infrastructure, no app store. Just paper, folded cleverly.

It worked so well that after the war, nobody stopped using it. The Universal Postal Union adopted the format in 1952 and gave it a proper name: aerogramme. From the Greek — aero (air) and gramma (letter, or written thing). Every member country was encouraged to produce them, and nearly all of them did.

For forty years, this is how the regular world stayed in touch.

The aerogramme was not a rich person's medium. It was a migrant worker's medium. A student abroad. A grandmother in a village writing to a grandchild in a city she'd never visit. An engineer on a contract in the Gulf, writing home to Lagos every Sunday evening.

In India, an inland letter cost 10 paise — a fraction of a fraction of a rupee. In the UK, an air letter to anywhere in the world cost the same as a first-class domestic stamp. The postal service subsidised the difference because they understood, in a way we've since forgotten, that keeping people connected is infrastructure. Not a luxury. Not a feature. Infrastructure.

And the format itself forced a kind of honesty. You had one sheet. Both sides, if your handwriting was small enough. That was it. No room for filler, no space for polite nothings. People wrote tighter. They thought harder about what to say. When your father sent you an aerogramme, every sentence was chosen — not because he was a good writer, but because there was a physical limit to how many sentences would fit, and he didn't want to waste any of them on weather.

Then email arrived, and nobody said goodbye.

The aerogramme didn't die dramatically. There was no final edition, no commemorative ceremony. Countries just quietly stopped printing them. The UK discontinued theirs in 2012. India — which tells you something about India and something about letters — held on until 2017. The US Postal Service stopped in 2006. By then, hardly anyone noticed.

What replaced it wasn't better. It was faster, obviously. Email, then text messages, then WhatsApp, then voice notes recorded while driving. The content got shorter. The frequency got higher. The emotional weight of each individual message approached zero. And somewhere in that transition, we lost the thing that actually made a letter worth receiving: the fact that someone sat down, chose their words, and decided you were worth thirty minutes of their undivided attention.

A WhatsApp message takes three seconds. An aerogramme took half an hour. That gap isn't inefficiency. It's the entire point.

Peter Jennings started collecting them in 1963.

He was fifteen years old. He'd been collecting stamps since he was five, but he couldn't compete with the serious philatelists in any conventional category. Too young, too late, too little money. So he found an area nobody else cared about — aerogrammes — and became the world's foremost authority on them instead.

By 1966, he'd been elected to the Royal Philatelic Society, London. By 1973, he'd published the definitive book on the subject. He exhibited in Budapest, Vienna, Sofia, Lucerne, and Stockholm. He was made a Companion of the Royal Aeronautical Society. All for a collection of folded blue paper that most people would have recycled without a second thought.

Jennings understood something the rest of us missed. The aerogramme wasn't just a postal format. It was an artifact of human connection — a physical record of the fact that someone, somewhere, sat down and decided that another person, somewhere else entirely, needed to hear from them. Every crease, every smudged word, every stamp from a country that no longer exists, was evidence that the distance between people had been bridged, however briefly, by a sheet of paper and a threepenny stamp.

So why bring it back now?

Because now is exactly when you'd need one.

We live in the most connected period in human history. We have never been worse at making people feel remembered. Those two facts are related.

The problem with digital communication isn't that it's digital. It's that it costs nothing — not in money, in effort. When something costs nothing to send, it communicates nothing about how much you care. The medium is the message, McLuhan said, and the message of a WhatsApp text is: “this took me three seconds, and I was probably looking at something else while I typed it.”

A letter says the opposite. A letter says: I stopped. I thought about you specifically. I chose these words, and not other words. I wrote them down on a thing that exists in the physical world, and I put it in motion toward you. That sequence of decisions is the message. The words inside are almost secondary.

We didn't build Aerolove because we're nostalgic. Nostalgia is a dead end — you can't mail a letter to 1974. We built it because the underlying technology of the aerogramme — a physical object, travelling through actual space, arriving unannounced in someone's actual mailbox — solves a problem that no app has managed to solve. The problem of making someone feel genuinely, specifically, materially thought of.

How it works now.

We kept the spirit. We updated the process. You don't need to find a post office or buy a stamp or look up an international postage rate. You just need to know what you want to say and who should read it.

You message us on WhatsApp. We ask you a few questions. You tell us the recipient, the message, and whether you'd like us to pick the stamp or if you have a preference. We print it on quality paper, stamp it with a real vintage stamp — not a printed label, an actual stamp — and drop it in the post from France.

It arrives in five to fourteen days, depending on where in the world it's headed. That slowness is not a bug. It's the whole architecture. The anticipation, the surprise, the fact that it shows up between a gas bill and a flyer and stops someone in their driveway — that's what makes it work.

One letter. 6.90 €. Anywhere in the world. No account, no app, no subscription.

Because some people deserve more than a blue tick.