Lot
682 
A.M.G., 1950, 20l violet, inverted overprint error, well centered within large margins, rich color, o.g., lightly hinged, corner creases, Very Fine appearance. Sassone No. 73a. Scott No. 74 var. Estimate $1,000 - 1,500.
ONE OF ONLY FOUR RECORDED EXAMPLES OF THE INVERTED OVERPRINT ERROR, OF WHICH ONLY TWO ARE MINT.
Realized: $3,500