Lot
2164 
1879, 10¢ brown, A.B.N.C. printing, with secret mark, o.g., lightly hinged, precision centering amid large beautifully balanced margins all around, deep rich color, wonderfully fresh, Extremely Fine to Superb, a wonderful gem; with 2019 P.F. certificate Graded (XF-S 95, SMQ $6,850). Scott No. 188 $1,800.
AN TRULY EXCEPTIONAL MINT ORIGINAL GUM EXAMPLE OF THE 1879 10¢ AMERICAN BANKNOTE ISSUE WITH SECRET MARK.
Realized: $6,000