Aroostook County, Maine
a service of
V. F. Thomas Co. - P. O. Box 55 - Bass Harbor, Maine 04653
(updated 6 March 2019)
Postmarks from Saint Agatha include:
1907 September 4:
Sinclair post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
1915 February 23:
The circular postmark is 31–32 mm in diameter. The four horizontal bars to the right of the circle are a little more than 4 mm apart on center.
Sinclair post office is still in operation.