BCM Collection 的钱币相册
1986 20C MS69
PCGS #394603
1988 20C MS69
PCGS #114235
1992 20C MS69
PCGS #393949
2001 20C MS69
PCGS #391567
2008 20C MS70
PCGS #590140
2009 20C MS70
PCGS #590141
2014 20C MS69
PCGS #522866
2015 20C MS69
PCGS #536966