Lot
1623 
Proprietary, 1914, 4-3/8¢ black, o.g., never hinged (light natural gum bend, not mentioned on cert.), fresh and F.-V.F., a lovely example of this rare stamp; with 1982 P.F. certificate.Scott No. RB42 $3,000.
This is a difficult issue to obtain with decent centering as many have perfs touching on one or two sides.
Realized: $1,350