Preston.Collection 的钱币相册
1964 50C MS66
PCGS #6706
1966 50C MS64
PCGS #6709
1968-D 50C MS66
PCGS #6711
1969-D 50C MS66
PCGS #6712
1970-D 50C MS66
PCGS #6713
1976-S 50C Silver MS68
PCGS #6728
1976-S 50C Silver MS68
PCGS #6728