Numis 的钱币相册
1906 20 St MS63
PCGS #499061
1912 20 St MS64
PCGS #499062
1913 20 St MS64
PCGS #399188
1917 20 St MS65
PCGS #499065
1952 20 St MS64
PCGS #228145
1962 20 St MS68
PCGS #399388
1988 20 St MS67
PCGS #765954
1992 20 St MS67
PCGS #484827