Lot
973 
(Kern) Allen's Camp, June 7, 1875, manuscript postmark (William "no postmarks recorded") tying 3¢ Banknote on cover to Miss. Carter in Baltimore, Md., receiving backstamp, accompanied by Baltimore bank corner card cover addressed to Capt. Carter at Allen's Camp "or Caliente", Very Fine, one of only two known postmark from this extremely short-lived post office; with 2021 P.F. certificate. Estimate $750 - 1,000.
This town existed for one month officially operating between April 28th and May 28th of 1875. This cover was posted ten days after the official end date of this post office.