These are the products of TASCO (Tatham Stamp Co.) who made cardboard cover booklets for identifying CSA stamp types and also Washington-Franklin types. For this one, you mounted/hinged the (included?) fakes in the spaces provided, matching up the facsimile number with the space in the booklet.
Some of the pages are shown in various threads here on SCF like:
https://goscf.com/t/58667
Posted 05/29/2020 10:35 am
