United States | 1961 Sun Yat-Sen Block of Four 4-Cent US Postage Stamps Mint Never Hinged

Description

This block of four 4-cent US postage stamps recognizing the 50th anniversary of the founding of the Republic of China, and depicting Dr. Sun Yat-sen, were first placed on sale at Washington, D.C., on October 10, 1961.
Printed By: Bureau of Engraving and Printing
Printing Method: Rotary Press
Perforations: 10? X 11
Mint, never hinged condition.