Hi, the only thing i McKeowns of Edelweiss from Germany is from a company name ISE, here are the words in the katalog: Edelweiss Deluxe- folding camera for 6.5x9cm plates. Brown leather, tan double-extension bellows. Tessar f4.5/120mm lens in compur. $120-180.
Hope this was any help.

Best regards
Kent Bentzen