July 21, 1952 Time Issued Signed by Two-Time Decathlon Champion Bob Mathias. Lot 269. July 21, 1952 Time Issued Signed by Two-Time Decathlon Champion Bob Mathias. Issued Signed by Two-Time Decathlon Champion Bob Mathias. Vg issue with a label partially removed. Below his 10 sharpie signature, Mathias added the Olympics symbol. Authenticated by Kevin Keating. Winning Bid $25. Back to List Winning Bid $25 Back to List