Fort Winnebago—M. T. 20 July, straight line town mark with manuscript date and “25 ” rate on 1831 folded letter to Brigadier General Hugh Brady in Detroit, letter written by Captain Joseph C. Plymouth contains a “detailed report of the encroachment of the whites upon Indian lands in the vicinity of the Fort”, extremely fine and rare, this is the earliest recorded postmark from Fort Winnebago and the only known example of this straight line handstamp, one of the gems of Wisconsin postal history, ex-Jarrett and Risvold (Image)

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Fort-Winnebago M.T. Mar 16, bold strike of black circular datestamp with manuscript date and matching “25” rate, on 1832 folded letter to Pittsburg, Pennsylvania, letter from soldier James Gardner to his aunt lamenting personal hardships at the fort and describing “depredations on Indians that were under the protection of the American Flag” (events that led to the outbreak of the Black Hawk War the following month), extremely fine strike, cover restored, the earliest recorded example of this marking and the earliest circular datestamp known from Wisconsin (Image)

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Fort-Winnebago M.T. Apl 11, perfect strike of black circular datestamp with manuscript date and “25” rate on 1832 folded letter to Fort Niagara, New York, letter written by Lieutenant Edgar M. Lacy, vertical file fold does not detract, very fine and rare, ex-Ebach (Image)

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Fort-Winnebago M.T. Nov.18, perfect strike of blue circular datestamp with manuscript date on 1832 folded letter to Milford, New York, red manuscript “Paid 25c” rate, letter written by Burley Follett (later mayor of Green Bay) with interesting contents about river travel and lead mining, extremely fine and colorful early cover (Image)

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Fort-Winnebago M.T. Mar 22, black datestamp with manuscript date and "Paid 25" on 1833 folded letter to the American Home Missionary Society in New York, interesting contents about religious life at the fort, vertical file fold, very fine and rare (Image)

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Fort-Winnebago M.T. Feb. 20, black circular datestamp with manuscript date and “25” rate on 1834 folded letter to Fort Niagara, New York, letter written by Cornelia Lacy (wife of Lieutenant Edgar Lacy) to her sister-in-law containing gossip about army life and requests for personal supplies, fine and rare (Image)

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Fort-Winnebago M.T. June 17, black circular datestamp with red manuscript date, used as forwarding mark with manuscript "To Fort Howard" and rated "For'd 12½/37½), on folded letter datelined "May 28th 1834, Town of Niagara, County of Niagara (N.Y.)", addressed "To the Chiefs of the Stockbridge Tribe of Indians residing near the Winebago Lake, South West from Green Bay, In the North west (Ter.) To the care of John W. Quinney.", blue May 31 Buffalo double oval datestamp and manuscript "25" rate applied at origin, Quinney wrote "The above was recd. July 4th 1834 after having gone the rounds viz from Buffaloe to Green Bay, thence to Winnebago Fort at the Wisconsin & Fox Rivers prtage & back again to Green Bay Post Office", light water stains and some splits along the folds, otherwise fine, a remarkable and important letter to Fort Howard (which has no recorded postal markings), one of the most outstanding covers in all of Wisconsin postal history, ex-Kramer (Image)

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Fort Winnebago Sep 7. MT., manuscript postmark with "25" rate on 1835 folded letter to Buffalo, New York, light wear and splitting along the edges, fine, one of just five recorded manuscript postmarks from Fort Winnebago, ex-Risvold (Image)

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Grand Cakalin M.T. March 18th, manuscript postmark on 1835 folded letter to New York City, matching "Free, Cutting Marsh, Post-Master", datelined "Statesburg, near Green Bay", interesting letter from missionary about the Stockbridge Indians, extremely fine, the latest known of three recorded covers from Grand Cakalin and one of the great rarities of Wisconsin postal history, ex-Valentine (Image)

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Grand Cakalin M.T. April 30th, manuscript postmark on 1833 folded letter to New York City, franked "Free, Cutting Marsh, Post-Master", extremely fine, the earliest of the three recorded covers from Grand Cakalin and one of the gems of Wisconsin postal history, ex-Ebach and Schmalzredit (Image)

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Gratiot’s Grove, Ill. June 15, manuscript postmark on 1834 folded lettersheet to Governor George B. Porter in Detroit, endorsed “George Cubbage, P.M. Free”, very fine, Gratiot’s Grove was established in 1828 by Henry Gratiot and served as a fort during the Black Hawk War, only about eight covers are recorded (Image)

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"Now at Green Bay, Lake Michigan",, incoming 1815 folded letter with "Washn. City Sep 29" datestamp, franked "Sup't Gen'l Office" and handstamped "Free", addressed to Matthew Irwin, Esq., docketing indicates the letter was received July 28, 1816 (10 months after it was sent), extremely fine, the earliest recorded piece of mail to or from Green Bay, six years before a post office was established, an extraordinarily rare cover, ex-Valentine (Image)

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"Green Bay, Michigan Territory",, incoming cover from Fairview, Pennsylvania, postmarked September 9, 1823, light wear, fine, very early mail to Green Bay just two years after the post office opened (Image)

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"Fort Howard, Green Bay",, 1824 incoming folded letter to Colonel John McNeal (commander at Fort Howard), "St. Louis Mo. Oct 20" circular datestamp and manuscript "50" rate, from Major H. Bradley, small faults, still very fine early mail to Green Bay (Image)

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Green Bay M Ty March 5, red manuscript postmark with matching "50" rate on 1825 folded address sheet to Philadelphia, vertical file fold through postmark, otherwise fine and rare, one of the earliest recorded Green Bay postmarks (Image)

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"Munnomunne, Green Bay Township, Sept.9.1825", dateline on folded letter from James D. Doty to New York City, postmarked Detroit September 19, manuscript "25" rate, splitting along the folds, still fine-appearing and rare early letter (Image)

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Green Bay M Ty Nov 29, faded red manuscript postmark with matching "25" rate on 1825 folded letter to Philadelphia, reduced letter from A.G. Ellis, fine, a rare and very early Green Bay postmark (Image)

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Green Bay M Ty 4 January 1826, manuscript postmark on folded letter to Philadelphia, matching “25” rate, letter slightly reduced, contents pertain to local church business, very fine early marking and letter (Image)

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Green Bay M.Ty Sept 23, red manuscript postmark with matching "25" rate on 1827 folded letter to Detroit, Michigan, datelined "Ouisconsin Portage, Sept 4th, 1827", very fine and historically-important, this letter took about 19 days to be carried privately down the Fox River to Green Bay where it entered the mails, written by John Kinzie (future Winnebago Indian Agent) it is the earliest historical account of the surrender of the famous warrior Red Bird, ex-Van Vlissingen and Risvold (Image)

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Green Bay M T 20 Novr 1828, manuscript postmark with matching “25” rate on folded letter to Philadelphia, written by A.G. Ellis requesting volunteers to work at a mission, very fine and rare early letter, ex-Van Vlissingen (Image)

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Green Bay M Ty 4 July 1830, manuscript postmark on folded letter to Philadelphia, matching “25” rate, partial contents from Reverend Richard Fish Cadle asking for a carpenter and blacksmith in order to teach his Indian pupils these trades, very fine, an attractive and interesting cover from an important early Episcopal minister, ex-Van Vlissingen (Image)

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Green Bay M Ty. 13 Sept 1830, slightly faded red manuscript postmark on folded lettersheet to “His Excellency Lewis Cass, Detroit, M.Ty.”, franked “Free Robt Irwin Jr. Postmaster”, fine marking, Cass was the second Governor of the Michigan Territory before adopting a number of other high-level government positions culminating in Secretary of State under President Buchanon (Image)

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Green Bay M Ty 9 August 1832, manuscript postmark with matching “12½” rate on folded letter to Fort Winnebago, interesting letter from Mrs. Frances P. Irwin to her husband including a cholera outbreak and references to early settlers (Lacy, Kinzie, Rolette), very fine, ex-Ebach (Image)

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Green Bay M Ty. 13 Augt 1832, manuscript postmark with matching “25” rate on folded letter to Philadelphia, portion of letter removed, very fine marking and cover, ex-Van Vlissingen (Image)

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Green Bay Mic Ty Nov 24, manuscript postmark on 1833 folded letter to Philadelphia, matching “25” rate, contains floor plan of Mission House (possibly part of fire insurance application), very fine and attractive (Image)

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