courthouselover: Post Office 49913 (Calumet, Michigan)
courthouselover: Post Office 49930 (Hancock, Michigan)
courthouselover: Post Office 49931 (Houghton, Michigan)
courthouselover: Tri-Point Monument Benchmark (Lyon County, Iowa; Rock County, Minnesota; and Minnehaha County, South Dakota)
courthouselover: Tri-Point Monument (Lyon County, Iowa; Rock County, Minnesota; and Minnehaha County, South Dakota)
courthouselover: Post Office 57638 (Lemmon, South Dakota)
courthouselover: Old Post Office 82201 (Wheatland, Wyoming)
courthouselover: Post Office 57747 (Hot Springs, South Dakota)
courthouselover: Old Federal Courthouse and Post Office 57732 (Deadwood, South Dakota)
courthouselover: Post Office 57754 (Lead, South Dakota)
courthouselover: Post Office 54843 (Hayward, Wisconsin)
courthouselover: Old Federal Courthouse and Post Office 54880 (Superior, Wisconsin)
courthouselover: Old Post Office 54806 and Federal Building (Ashland, Wisconsin)
courthouselover: Post Office 54806 (Ashland, Wisconsin)
courthouselover: Post Office 49938 (Ironwood, Michigan)
Richard Shattuck: US Post Office Bar Harbor, Maine
kevystew: United States Post Office- Orono ME
kebreen: indianapolis_louisville_1877_flickr.com
Internet Archive Book Images: Image from page 709 of "The world: historical and actual" (1886)
ONE-MILLION: Lid Label
Morton1905: s0209a 6064 Brock14A15B Band: Social - Türken Verteilung der Staatsformen und Kolonialverfassungen auf der Erde.
joseph a: Downtown Denison, TX
Postmarks from Montana: Wheeler, Montana
courthouselover: Geodetic Center of North America Benchmark (Osborne, Kansas)
courthouselover: Post Office 76501 Cornerstone (Anson, Texas)
courthouselover: Post Office 76501 (Anson, Texas)
courthouselover: Old Federal Courthouse and Post Office 79101 Cornerstone (Amarillo, Texas)
courthouselover: Old Federal Courthouse and Post Office 79101 (Amarillo, Texas)
courthouselover: Federal Courthouse and Old Post Office 79101 Plaque (Amarillo, Texas)
courthouselover: Federal Courthouse and Old Post Office 79101 (Amarillo, Texas)