i got 4 really old pictures of 4 steam locos

hey i dunno how much they are worth nor how rare they r and they seem to be 1-of-a-kind also seeing i couldnt find anything on ebay so HELP ME where do i go to check them out to see how much they are worth

i think they r from the 1930's or 1940's


B&O 1741(2-6-0)

DL&W #987 ( http://www.ebpm.com/rr/bigpix/fan_rrsteam066.html )

B&H RR (number 8 and its a Shay also a norrow gauge)

i cant find my 4th picture and i dont got a scanner i got no space