2023 Commonwealth & British Empire Stamps Catalogue 1840-1970Key Features The authoritative reference source for GB and Commonwealth information all stamps from 1840 1970 listed and priced. To help readers avoid buying forgeries or fakes, or stamps with forged postmarks, there is helpful information on their identification. Strengthened, casebound binding for extra durability. Unique listing by SG number. Full colour illustrations. Invaluable six page article on stamp condition. Helpful guide to valuing stamps