William Benefield’s 1980 Proof Set 的钱币相册
1980-S 1C PR69DCAM
PCGS #93464
1980-S 5C PR70DCAM
PCGS #94214
1980-S 25C PR70DCAM
PCGS #96015
1980-S 50C PR70DCAM
PCGS #96820
1980-S SBA$1 PR70DCAM
PCGS #99592