Dominica 1886-90 1s dull magenta, SG26Dominica 1886 90 1s dull magenta, watermark CA, SG26. An unused, upper left corner block of 6 (3x2) with current number 1', with brilliant original gum (stamps unmounted mint). Trivial gum wrinkles (and insignificant crease in left margin) mentioned for accuracy, but a superb and rare positional multiple. Only 20 sheets were originally printed. Provenance: Ex William Frazer. The stamps of Dominica were replaced by general issue stamps of the Leeward