Posted By:
davidcycleback"Judging the Authenticity of Paper Photographs: The Basics for Collectors" by me. 130+ well illustrated booklet. For collectors of all types of photographs, 1800 to today, sports to fine art to Hollywood to family photos. Includes much information on wirephotos, cabinet cards, cdvs, modern processes (dye transfer, cibachrome, etc) and everything in between.
Cost is $19 shipped. Can be ordered instantly via PayPal from the below link.
http://www.cycleback.com/photoauthenticity.html