COLLECTION OF 1840/41 1D PL.9 BLACK (SG2) AND 1D RED (SG7). An exceptional collection studying the plate repairs of die 1 pl.9 comprising 1d black state I 10 singles and 3 covers; 1d black state II 5 singles 2 covers; 1d red state I 11 singles 1 cover; 1d red state II 16 singles 5 covers and 1d red state II 3 covers. Quality is mainly fine to very fine, a superb assembly carefully collected over many years. Retail £13,765. Exhibition quality. (Ref 112918).