Lot
1145 
Groth-Constantine Machine Cancel, New York, N.Y. 1892-95. Lot of 15 Type 3 postmarks on covers and postal cards; few faulty, but generally fine group of cancels from a six-headed postmarking machine, F.-V.F. overall, good lot for die hunting. Estimate $200 - 300.
Realized: $180
Lot
1146
Groth-Constantine Machine Cancel, Washington, D.C., Feb 10, 1891. Type 2 postmark tying 1890, 2¢ carmine on cover; small piece out at upper left of cover and edge toning at right, Fine. Estimate $150 - 200.
Lot
1147
Groth-Constantine Machine Cancel, Washington, D.C., Feb 12, 91. Type 2 postmark tying 1890, 2¢ carmine on clean cover, Very Fine. Estimate $150 - 200.
Realized: $210
Lot
1148
Groth-Constantine Machine Cancel, Washington, D.C., Jan 19, 91. Type 2 postmark tying 1890, 2¢ carmine on cover; minor edge toning, otherwise Very Fine. Estimate $100 - 150.
Realized: $100
Lot
1149
Groth-Constantine Machine Cancel, Washington, D.C., Feb 12, 91. Type 2 postmark tying 1890, 2¢ carmine on clean cover, Very Fine and choice. Estimate $100 - 150.
Realized: $90
Lot
1150
Groth-Constantine Machine Cancel, Washington, D.C., Jan 6, 91. Type C2 postmark tying 1890, 2¢ carmine on cover; small piece out at upper left of cover, otherwise Very Fine. Estimate $100 - 150.
Lot
1151
Hampden Cancelling Machine Company, New York, N.Y., Apr 16, 96. Experimental Type X-1 tying 2¢ carmine on commercial cover, Very Fine and choice, experimental postmark from prototype machine developed by William Landfear. This marking sometimes referred to as a Landfear, since the HCMC wasn't incorporated until 1898. Estimate $200 - 300.
Realized: $300
Lot
1152
Hampden Cancelling Machine Company, Washington, D.C, Jun 8, 1900. Type X-2 flag cancel tying 2¢ red on small locally addressed cover, Very Fine, only three examples known all from early June 1900, a rare 'glamour' flag cancel. Estimate $300 - 400.
Realized: $1,250