By J. McKeown. (1985). Centennial Photo Service. 5th Edition. Soft-cover, 5 1/ x 8 1/2", 544pages, B&W illustrations. Over 5,000 current prices. Book is in very good condition. Cover has crease on side of cover. Inside pages like new.
Great price guide to compare prices.
Example: Caillon Bioscope Camera - 1985/86 Price Guide, $150-200. Todays price $400.