Lot 974 o
Airmail, 1923, 24¢ carmine, perfectly centered with large balanced margins, intense color, neat parallel bars machine cancel, a remarkable Superb used gem, ex-Morton; with 2013 and 2020 P.S.E. certificates, both graded (Gem 100, SMQ $950), only two other examples share this grade with none higher.Scott No. C6 $30.
Realized: $700