Just bought one from "truckshop_oc" on ebay. I'll post how it looks and fits once it arrives. It looks really good in pictures, we'll see soon.
http://www.ebay.com/itm/1964-1965-19...9f9c87&vxp=mtr
Their description:
"ONE NEW BLACK RUBBER FLOOR MAT FOR 1964-66 CHEVY AND GMC TRUCKS, FOR 3 SPEED MANUAL OR AUTOMATIC WITH LOW HUMP. THESE MATS ARE NICER THAN ORIGINAL, FEATURES CORRECT PATTERN AND HAS PERFORATED CUT OUTS ON THE BACK SIDE OF THE MAT FOR THE ACCELERATOR PEDAL. SHIPS TO LOWER 48 STATES ONLY. BACK IN STOCK TODAY 8-27-15 , THE INDUSTRY HAS BEEN OUT OF STOCK FOR 3 YEARS UNTIL NOW, WE ARE THE MANUFACTURER WITH OUR OWN NEW TOOLING AND YOU WILL NOT BE DISSAPOINTED."