1950 (5 Mar.) A Remittance cover sent to USA, on reverse bearing surcharged on Pearl River Bridge $500 on $20, $1,000 on $10 single stamp, block of 10 and mixed with South Central China, Kuo Kwong print $100 x 2, both tied by char. ‘KUANGDONG HE SHAN/XINXINSHI’ (????/???) with water stain mark, Est. HK$700-1,000 (Image1)