Lot
1841 
J. B. DUTTON., straightline handstamp on cover bearing 3¢ rose (65), pre-use tear, tied by target cancel duplexed with "Tecumseh Mich. Aug 16, '64" double-circle datestamp to Waterford, Point of Rocks, Maryland; small tear at top and nicked at lower right, Fine, ex-Walske. Estimate $1,000 - 1,500.
There are fewer than 20 covers recorded with the "J. B. DUTTON" handstamp, which was applied to southbound mail carried by Dutton between Waterford and Point of Rocks during the period when U.S. forces blockaded the Potomac River to stop incursions by C.S.A. raiders (see Special Routes book, pp. 173-175).
Realized: $2,900