"Gobsmacked " is the only word for it.
Received a bundle of literature from SCF member "CALSTAMP"

How he sources these gems, is bewildering. Thanks Jim

The 1943 Canadian is a fabulous tome.
Philatelic Foundation Seminar Series Textbook #2
(Philatelie a la Francaise)
Fabulous Stamps John W Nicklin (1939)
Holmes Handbook and Catalogue of Canada and BNA 1943 (A cracker !)
Postage Stamps of Russia Vol 1 : Armenia
(Parts 4/5 The Unframed HP Monogram Overprints)
Mail of the Czechoslovak Legions (Verner)
The German Occupation of the Sudentenland 1938 (Dawson)
Georgia European Philately 11 (Barefoot)
Samoa Express (Forgery and Reprint Guide) (Barefoot)
Cinderella Philatelist V62 Number 2