Scott #C43 1949 15 Cents Globe and Doves Carrying Messages MNH

During holiday rush, a cheerfully old-school letter carrier picks up the pace - The Boston Globe

Ultramarine 15 Cent Denomination United States Stamps

Christopher Columbus Commemorative 1992 S Clad Half Dollar Proof 50c

1069 - 1955 3¢ Soo Locks Centennial - Mystic Stamp Company

US Stamp Value Scott Catalogue #E13 - 15c 1925 Special Delivery

Commemorative, Columbus Half Dollar

1861-O Liberty Seated Half Dollar. Confederate States Issue. W-15. Rarity-2. Speared Olive Bud. EF-45 (ANACS).

American 5 cents coin hi-res stock photography and images - Alamy

Date:1906 to 1907 - Digital Commonwealth Search Results

Christopher Columbus Commemorative 1992 S Clad Half Dollar Proof 50c

Scotts #423D US stamps

U.S. & Worldwide Stamps & Postal History - May 4-5, 2005

Date:1906 to 1907 - Digital Commonwealth Search Results

Air Mail, Back of Book, United States, Stamps - PicClick