Lot 50021 – British West Indies – Group of ten cancellation essays and original stamps with pmks retained

British West Indies – Cancellations: group of ten including a unique assembly of four genuine stamps which Sperati used to reproduce postmarks and affixed to cellophane, with three chemically treated consequently exhibiting the design missing to retain the two barred “A07” ovals of Dominica, paper essay with barred “A11” and matching St. Lucia cds dated Dec. 1944, four pelure paper essays with barred “A12” of St. Christopher, and Tobago cds with two matching types of “A14”, as well as paper essay showing “A08” of Montserrat.