What are Back of the Book Stamps?

Old US Stamps, Back of Book Mixed Collection Scott C7-C60, E4-E14 and R232 & R258 not Full Sets, Used, H/NH CV: 122.00

Embossed Envelopes, Postcards & Back-of-the-Book Stamps.

Fourth Bureau Issue Book

Back of the Book - Stamps for sale on Collectors Corner

Christmas Seals. 2 Girls carolling. I use a cardboard backing in a sealed baggie.

6 - 1960 Christmas Seals Carollers Girls Back of Book Stamps Cinderellas Vintage

[Biggs, Conor] on . *FREE* shipping on qualifying offers. My Little Book Of Stamps

My Little Book Of Stamps

Stamp Collecting and Geography

Stamp FAQ-What is the difference between a stamp booklet and a booklet pane? Part 1 - The Stamp Echo

U.S. Back of the Book Stamps

Book of Stamps for Efficient Mailing, Convenient & Ready-to-Use

Historic Bridges on U.S. Stamps

Canada ''Back of the Book'' Stamps Group US$30 post paid Reduced - STAMPBOARDS - Postage Stamp Chat Board and Stamp Forum

U.S. Back of the Book Stamps

2 Mexico Back of Book - Gregg Nelson Stamps