yes it looks like a mid 70's and it should also be an SR-5 with a 1600 OHV engine. I think '75 was the first year for the SR-5 in a hardtop only. '75 thru 79 looked very much alike. Somewhere down the line they went with a 1.6 OHC engine. A quick way to tell is the OHV has a wide valve cover with the spark plugs in the center like a Chrysler Hemi. The OHC had an external timing belt and the plugs were on the side. Japanese cars are just starting to gain some value and appreciation as collectors snap up the more desirable early models such as Datsun 240-280Z, rear drive celicas, and any Supra models as well as some Mazdas RXs. It will cost way more to restore than it will be worth at the end In 1975 it cost $2280.