Vérard, The first book of hours

This book exists only in one copy. It was printed 2nd September 1485 by Jean du Pré for Antoine Vérard: »Ces presentes heures ont este acheueez le deuziesme iour de septembre .M.cccc. quatrevingtz et cinq & faictes imprimer par anthoine verard libraire demourant a paris […]«.

It is the first printed book of hours in France, the first printed, illustrated book of hours anywhere, and the first printed book with a French text. There's a larger version here: Verard 1485.