Every vintage poster, map, or advertisement carries the story of its survival — folded into envelopes, taped to lobby walls, exposed to sunlight an...

The question arrives in almost every conversation we have with a new collector: if I have this poster linen-backed, can it ever be undone — and wil...

Linen backing and deacidification get used interchangeably by collectors — and that's a mistake. One is a chemical treatment that stops paper from ...

Vintage paper starts dying the moment it's printed. Acidic wood-pulp stock, the same stuff most posters, maps, and pulp ephemera were printed on be...