Notre-Dame de la Victoire 1718-1900 issued in 1941 by Société Saint-Jean-Baptist
These Stamps are listed as #4101 and #4102 in the SSJB Stamp Catalogue (64 Pages 8½ x 11) 5th and the 2012 edition. Also listed as #3835.22a and #3835.22b in the field guide to the Cinderellas stamps of Canada, 2nd Edition 2015 by R. G. Lafrenière (344 pages 8.5" x 11" , 12,350 listings)
Other: Scarce vintage historical complete set of 2 stamp, very fine mint never hinged, rarely seen or offered