Canada Presentation Booklet of the 1938 Pictorial Issue

Very Scarce Presentation booklet in a Blue Cloth Cover Folder with the 1938 Pictorial Issue Set, includes Unitrade #s 241-245 and C6, all VF MNH, with a catalogue value of $324 alone. The book has a Toronto AUG.17.1940 slogan cancel for the American Airmail Society on the inside front cover and a blue handstamped convention cachet on the inside back cover. Page 2 of the book reads "with compliments of / Hon. William P. Mulock, K.C., M.P. / Postmaster General of Canada / August 1940." These presentation books are not listed in Unitrade and both the book and its stamps are in very fine condition. This booklet is definitely stamp show quality!!!