Canada, Dominion of Canada, 4 Dollars, 1900, models for the face and back, also approval Proofs for the face and back, and three different matching die proof vignettes, together with eight photographs of various design elements from these notes, the models with usual official notations, soiling and handling, the Proofs and the vignettes have official notations, two photographs are damaged, a very important and interesting group(4)