Is there a reference for NIB pinball prices from 1977 to present. I am really curious as to what the cost was in the late 70's and early 80's. I never dreamed I would own one of these relics. I was fortunate enough to obtain a Bally Rolling Stones pin and a few years later an NOS back-glass and playfield after many years of searching. Included in the backglass purchase, the seller, John Ross (PinballPlusMN), included the original receipt. This pin I played quite a bit in between classes at the University of Houston in the Cougar Den back in the day. Nostalgia hits home here. Thanks in advance for any pertinent sources of reference provided.