Canada, RPO Diverse Reference Collection. Housed in 7 albums and medium box with a wealth of material including Ludlow listings, O, M, W, Q, and D/R, most album pages identified with some hammer and RF ratings, and includes approx. 600 stamps, 5900 on piece and 1200 covers, box with a plethora of covers and some loose material, also includes literature/catalogs by Ludlow, Gray, Gilliam and Shaw, wonderful opportunity to acquire a substantial holding of this popular area. Please inspect. Estimate; $1,000 - 1,500. Est. $1,000-1,500