Lot
2895 
Boston, Mass. Negative Letter Cancellation Collection, of approximately 700 domestic usage covers and postal cards in sleeves; showing the array of lettered duplexes A-Z mostly used in the late 1870's, nice showing of various cancellation types, some commercial corner card covers including a few illustrated; a nice study of these fancy duplex killers. Estimate $750 - 1,000.
Realized: $1,450