Beschreibung
Rego, M.R.:Postal Registration in British Guiana, Roses Caribbean Philatelic Handbook, Handbook No. 4, Edition of 200 copies, 1981, 41 S. #53442
Rego, M.R.:Postal Registration in British Guiana, Roses Caribbean Philatelic Handbook, Handbook No. 4, Edition of 200 copies, 1981, 41 S. #53442