The Shelby Tag decodes: SFM - (Shelby Ford Mustang), 5 - (model year 1965), S - (Street car). The VIN number decodes: 5 - (model year as 1965), T - (Metuchen, NJ assembly plant), 09 - (Fastback), A - (engine code for 289ci 4V V-8 271-hp high performance), 18XXXX - consecutive unit number. In 1965 there were 516 road-going Shelby GT350s produced and they were all made in Wimbeldon White with a Black interior.
This might be a good starting point for somebody with an original 289 from a 1965 Shelby GT350 but whoever wins this auction will be putting in a lot of work to get this baby back on the road. The auction has a high bid of $1,000 and a Buy It Now price of $7500. Check out the auction here.