Belgium, 1920 15c Runner, Large Die Proof. Printed on white wove paper & die sunk on card, printed by the American Bank Note Co. with "For Approval" handstamp at top and manuscript "O.K. 3/16/20" notation at bottom left, reverse with pencil "Approved" with magenta date & time handstamp of the "General Engraving Dept./Supt's Office", Extremely Fine and choice. Scott No. B50  Estimate $4,000 - 6,000. THIS IS THE UNIQUE DIE PROOF AND A STUNNING ITEM FOR THE OLYMPIC SPECIALIST. $0 (Image)