cover 2d., 5d., 9d. and 1/9d. unused, each with a thin purple ink line through the stamp impression indicating a Specimen usage; the last a little soiled otherwise fine and a rare group

Details
cover 2d., 5d., 9d. and 1/9d. unused, each with a thin purple ink line through the stamp impression indicating a Specimen usage; the last a little soiled otherwise fine and a rare group