China & South Sea Bank Limited, a set of 1, 5, 10, 50 and 100 yuan uniface obverse and reverse die proof on card, 1921, blue, purple, black, orange and red on obverse respectively, all with sundial at left , right or centre, reverse value, (Pick A121p, A122p, A123p, A123Ap, A123Bp),uncirculated and very rare.(5)