thumb|Example of a court card, postmarked 1899, showing Robert Burns and his cottage and monument in [[Ayr]] alt=Postcard depicting people boarding a train at the Shawnee Depot in Colorado, late 1800s.|thumb|Postcard depicting people boarding a train at the Shawnee Depot in Colorado, late 1800s
A postcard is a piece of mail featuring an image on one side and space for a written message and address on the other, typically sent without an envelope. Postcards matter as historical documents that captured everyday scenes and moments from the late 1800s and beyond, providing glimpses into past places, events, and daily life.
AI-generated from the Wikipedia summary — may contain errors.
thumb|Example of a court card, postmarked 1899, showing Robert Burns and his cottage and monument in [[Ayr]] alt=Postcard depicting people boarding a train at the Shawnee Depot in Colorado, late 1800s.|thumb|Postcard depicting people boarding a train at the Shawnee Depot in Colorado, late 1800s
A postcard or post card is a piece of thick paper or thin cardboard, typically rectangular, intended for writing and mailing without an envelope. Non-rectangular shapes may also be used but are rare.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).