The stamps featured are: George Washington stamp, first issued in 1851 at 12 cents. Portrait based on a painting by Gilbert Stuart.
Postage stamps and postal history of the United States - Wikipedia
An Antique U.S. 1851 Benjamin Franklin 1 Cent Stamp Postal Cover
U.S.%20%235079b%0A2016%2047c%201851%201c%20Benjamin%20Franklin%0A%0A%26nbsp%3B%0A%26nbsp%3B%0AValue%3A%26nbsp%3B%2047c%0AIssued%3A%20June%201%2C%20201
5079b - 2016 First-Class Forever Stamp - Classics Forever: 1851 1c Benjamin Franklin
Postage stamps and postal history of the United States - Wikipedia
6 Beautiful New USPS Forever Stamps - Stamp Collecting Spot
The Classic Era Souvenir Sheet of 6 Forever U.S.
1851 12-cent George Washington - United States Postage Stamp
Alexander Pushkin Horses Military Poet Imperforated Souvenir Sheet Min – Meditative Philately
Pub100 PDF, PDF, United States Postal Service