There are 220 major and 99 minor varieties in the series — it encompasses five design variations, two paper types, two watermarked as well as one unwatermarked type, three printing methods, at least 14 varieties of perforations, two overprints, several colors, and, 20 denominations. There are a number of aides that can be used for identifying each stamp (well worth the effort), as some of the stamps have considerable value. Each of our stamps is identified on the back with light erasable pencil. Kindly see the photos – front and back — to view these stamps. It is a nice set with typical cancellations for this era, and, is in fine-very fine used condition. The set shown is the set you will receive. The 2020 Scott U. NOTE: Registration is applied when mailing abroad. STAMP BUSINESS FOR SALE.. After more than 60 years in business, we are planning to retire. As such, our stock (to mid-1980s) of U. And Worldwide stamps is for sale, and includes stamps, souvenir sheets, literature, covers, stationery, library, and, equipment. Lots of all sizes, or all. When ordering more than one item kindly request an invoice and we will apply the appropriate discount to the invoice. INTEREST FREE PAYMENTS & LARGE UNITS. MORE THAN 50 YEARS SERVING STAMP COLLECTORS. With great variety, good quality, and, attractive prices. May we have the pleasure of serving you.