-2019 edition is most comprehensive year ever.
-Stamps as issued up to July 2018 are listed.
-This Catalogue uses the established Scott publishing numbering system with Unitrade's own specialized sub numbers for the specialized items and new finds.
-Includes pre-confederation Province of Canada, Newfoundland, New Brunswick, Nova Scotia, Prince Edward Island, British Columbia & Vancouver Island.
-Listings for plate proofs, Postal Stationery, Semi Official Airmails, Christmas seals, Ducks and other BOB material.
-Early cancellations with rarity factors including 4-Ring and 2-ring numerals, Squared circles, British Columbia and New Brunswick numeral cancellations.
-Comprehensive listings for booklets, uncut press sheets, Canada Post Year collections and quarterly packs.
-Almost exhaustive listings of the known specialized varieties of plate types, major re-entries, papers, perforations, fluorescence, tagging and errors.
Size 8 1/2 x 11 inches (21.8 cm x28cm) x approx 1 1/16" (28mm) thick.
Binding: Spiral plastic coil 1 1/4" (32mm) diameter.