U.S. Possessions
GUAM

A former Spanish Island possession, Guam was captured by the United States and ceeded to
the US by treaty following the Spanish-American War. Overprinted stamps were used until March 1901.
Regular US stamps were used after that date.
Guam Guard stamps were started as a local post office service after the U.S. Post Office Department
refused to expand service on Guam. Guam Guard stamps were used until April 8, 1931.

Click on the thumbnail to view the larger image.

Image	Image 2	Inv.#	Scott #	Date	Category	Topic	Description	Cat. $	Price
		2020	1-2	1899	Guam	Black Guam overprint on US stamp. We have two sets.	Used	$50.00	$35.00
		2038	M8-M9	1930	Guam	'Guam Guard Mail' Overprint on Philippines stamps	Mint, Hinged	$3.35	$2.35

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Date of last update: 03/29/2025