Probly. The big horn II frame is on sale for $700 right now, the oars look old, but worth 100- 200 with blades?, home made floors look like they could work out and in decent shape. If the boat is in good shape, the patches are solid, holds air well, it is probly a good buy.
A couple considerations: the black wair pads will burn your ass if you use it for a paddle boat, same with floor, will expand a lot in the sun. The frame is probably 72" wide, really meant for a 16', which is perfectly fine, so you could run it on a bigger boat if you upgrade later.
Also search past threads, there is some good advice on looking at used boats.
Think of me what you will, I got a little space to fill.