1914 Castle Armory and Post Office Golden Colorado Vintage Postcard

About This Vintage Postcard

This early 20th-century postcard features the Colorado National Guard Armory in Golden, Colorado. Completed in 1913, it is celebrated as the largest cobblestone building in the world, constructed from over 3,000 wagonloads of rock and quartz hauled from Clear Creek. The architect designed the structure to look like a medieval castle, featuring a 65-foot tall observation tower and thick, fortress-like walls. Historically, the building served as a military center and the town post office, and it even acted as an emergency hospital during the 1918 flu pandemic.

Details

Era: Divided Back (1914)
City: Golden State or Region: Colorado
Country: USA
Topic: Golden Armory, Largest Cobblestone Building, Castle Architecture, Colorado National Guard, US Post Office History
Condition: Uncirculated
Postage: None
Address Side: Divided back
Orientation: Horizontal (Landscape)
Artist / Photographer: Unstated
Publisher: H. H. T. Co. (H. H. Tammen Company)
Printer: H. H. Tammen Company, Denver
Print Type: Halftone Lithograph

Additional Information

The H. H. Tammen Company of Denver used a unique totem pole logo and an arrow-shaped divider on their cards, making them easily identifiable to collectors. This building served as the town’s post office for 26 years before moving to a permanent location in 1940. During the 1918 influenza pandemic, the armory’s drill hall was famously used as an emergency Red Cross hospital. The use of cobblestones was a cost-saving measure that eventually became the building's most iconic feature, landing it a spot on the National Register of Historic Places in 1978.

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