Canada, Perfin Officials, 1912-1942, over 200 examples neatly displayed on Lighthouse black stockpages, "5-hole" & "4-hole" varieties, with good showing of "Admirals" to 50¢, a few "Scrolls" values including 50¢ Bluenose (2 VF & 1 Fine), later Pictorials & Definitives to 50¢; lacking airmails & back-of-the-book; considerable value according to Unitrade catalog, mostly attractive, should be examined by the specialist, unusual offering. Estimate  $400 - 600. $0