Lot 42070 – 1907-12 5c on 1/2d to 12p on 10s mint group of 10 with « SPECIMEN » horseshoe overprint (missing both 40c values)

1907-12 5c on 1/2d to 12p on 10s mint group of 10 with « SPECIMEN » horseshoe overprint (missing both 40c values), the top three values mint n.h., very fine and rare as only the top two values were supplied to the U.P.U. for distribution; 1p on 10d cert. RPS (1992).