1973 SUNNY JIM tin litho GEE THAT'S ME hydroplane pinback button this is the vintage, real McCoy. This is NOT a copy, NOT a modern day replica. Guaranteed authentic! 1973 SUNNY JIM tin litho GEE THAT'S ME hydroplane pinback button. red abd blue on white. Not a rare pin by any means, but very hard to find this nice! 2.25" diameter tin litho. Reverse is clean, no rust. colors bright and vivid. superior condition. No flaws. Near mint plus to mint. old stock. we have thousands of racing items in stock.