Stamp collecting hinges are small, folded, semi transparent, rectangular pieces of archival paper coated with a mild gum. Stamp collectors use hinges to affix postage stamps onto the pages of a stamp album.
Increases found in Confederate States of America. Albania topped all other countries for the number of value changes in Vol. From 1990 on, value changes are mixed. This year, Algeria received close scrutiny, resulting in more than 950 value changes.