Super 250 is 87cc, not 80cc like Acres' site claims. The air filter cover, recoil cover paint, bar cover paint, hand grip, oiler button, and choke button don't seem to be Super stuff. I know Macs are easy to swap parts across but too much is off on this saw to claim it a Super 250. Besides, look at the picture on Acres' and it is a straight 250 right on the tag.
Is that the old 1-xx oiler boss blank I see peaking out from behind the handlebar?
Do what Randy says and find the numbers on the bottom of the saw.
Chris B.