1928年劝业银行1角正反面试印票,均评PCGS Gold Shield 64 Details,少见。The Industrial and Development Bank of China,10 cents, uniface obverse and reverse proofs, 1928, red, walled city at left, reverse brown, Temple of Heaven at centre,(Pick 499pr), both sides graded PCGS Gold Shield 64Details. Rare (1 pair)