MADE BY : OTTMAR ZIEHER.
Embossed Envelopes, Postcards & Back-of-the-Book Stamps.
Presidents of the United States on U.S. postage stamps - Wikipedia
United States and Worldwide Stamps and Postal History
Postage stamps and postal history of the United States - Wikipedia
Prices Realized
Louisiana Purchase Exposition Issue
1862 63 Switzerland Stamp 42 Used Three 3 Franco Helvetia Old
Liberty Issue (1954-1968)
México #948 (1963) – A Stamp A Day