China 1949 red-brown block of four SG1191China 1949 Gold Yuan Revenue stamps surcharged $500,000 on $20 red brown block of four used by native circular date stamp, SG1191. Some paper adherence on lower left stamp and a few minor imperfections due to the thin paper. However, in better than average quality for this rare stamp issue, particularly scarce and desirable as a block of four. The SG catalogue value is 800+ ALERT ME WHEN ANOTHER IS AVAILABLE > SELL ONE OF THESE >