You can still collect 8x10s that are signed. Just collect original photos that have period autographs. The best of both worlds. Unless your aim is to collect more modern players..
40s-60s this works really well. You can go earlier into the 20s, 30s etc and they exist just will be very rare and expensive. Or the other way into the 70s/80s where to me they just aren't quite my thing (then again I don't really like collecting baseball items past about 1975 so I'm biased)
Here is a very expensive example