O’Brien/Hutton Collection 的钱币相册
1936 50C PR63
PCGS #6636
1937 50C PR66
PCGS #6637
1939 50C PR67
PCGS #6639
1940 50C PR66
PCGS #6640
1941 50C PR66
PCGS #6641
1942 50C PR66
PCGS #6642