5 French birth announcement cards from 1950s and 1960s.

Vintage French chromolithograph of the Chocolat de la Marine brand from 1910s

Vintage French chromolithograph of the Chocolat de la Marine brand from 1910s

Advertising blotter of the French Francorusse entremets brand from 1950s

Blotting paper (or blotter) is a porous paper capable of absorbing a small amount of liquid. It was mainly used to dry the writing when it was written in ink with a pen: ink can be deposited irregularly and dried slowly could cause stains and maculatures, the use of blotting was often necessary.