Through the years people have sent various articles through the mail other than letters, postcards, and traditional packages. (We featured a thong sandal sent to Lex by RubberStampMadness magazine in Issue 15.) Sometimes it's been for the fun of it, and sometimes to test just how far from a traditional "mailpiece" one can get and still have it delivered. A few years ago an example, probably of the first reason, was found in an old house in New Zealand.
During the beginning and height of the pandemic, articles about connecting through mail were quite common, many of them pretty much saying the same basic things. This one, however, which is much more recent, focuses more on the mail.
Here's one that goes way, way beyond all the recent increases in postal systems around the world. But it's not just for any stamp - it's for the one on the envelope (which is also part of the sale) that's the first known mail sent with a stamp. Maybe not the very first one sent, but apparently the oldest one yet found to have survived the years.
Occasionally someone who writes to a famous person - most typically an actor or author, it seems - gets a personal response that turns into a continuing correspondence. In this case, however, the relationship began in person and continues mostly in writing, between a woman in Iowa and China's political leader.
Here's an article about an anthropologist who created his own mail art postcards to tell his granddaughter what he was learning and doing on his research trips.
Occasionally one comes across a report of a letter (more often a postcard) that was delivered late - sometimes by years, sometimes by decades. Here's a report about letters that were "delivered" a bit late, but not read for more than two centuries. And though the title calls them "love letters," they were mostly letters between family members.