Lot
1881 
/
Airmail, 1941, 6¢ Transport, imperf between, horizontal pair is a strip of 4, o.g., error pair and left stamp never hinged, left stamp in error pair with blue examiner's crayon marking, Very Fine, only 20 pairs issued; with 2006 & 2019 P.F. certificates. Scott No. C25b $1,500.
Realized: $1,250