65 barracuda Commando 273 /Formula S?

im looking at buying a 1965 barracuda from a couple looks really good body only no motor or tranny. ive been researching up and down about it being a formula s there is no body tag. only vin it does have 273 badges on the side front fenders. tach, front disk, 14" rims 5 leafs spring maybe 6 hard to tell didnt really take a good look. 4 speed any real way to know for sure if its a formula s or maybe it was just the 273 commando with the rallye package .it has been repainted