1824 September 29:
Brownville post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
date?:
Brownville post office.
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1894 May 3:
The circular postmark is 27–28 mm in diameter.
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1906 March 19:
The circular postmark is 28–29 mm in diameter.
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1932 December 10:
The circular postmark is 29–33 mm in diameter.
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2020:
Brownville post office. 27 Church Street; Brownville, Maine 04414. Lat./Long.: N 45°18′24″ x W 69°01′59″
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today:
Brownville post office is still in operation.
Brownville Junction
1909 June 10:
The former Henderson post office renamed as Brownville Junction post office. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
2020:
Brownville Junction post office. 77 Railroad Avenue; Brownville Junction, Maine 04415. Lat./Long.: N 45°21′00″ x W 69°03′29″
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today:
Brownville Junction post office is still in operation.
Chandler
1899 October 7:
Chandler post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
1907 January 21:
The circular postmark is 29 mm in diameter.
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1908 December 21:
The circular postmark is 29 mm in diameter.
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1910 February 28:
Chandler post office closed. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
Ebeemee
1883 March 7:
Ebeemee post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
1883 July 30:
Manuscript postmark.
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1884 March 3:
Ebeemee post office renamed as Brownville Junction post office. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
Henderson
1889 June 26:
Henderson post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)
1898 April 8:
The circular postmark is 28–29 mm in diameter.
(click on image to enlarge)
1909 June 10:
Henderson post office renamed as Brownville Junction post office. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide.)