The 21 has more details. The Fasces on the the reverse has more detail and the upper hair of Liberty has slightly more, and as Ty said the 21 has much better surfaces.
My best finds: 1999-WAM:http://goccf.com/t/332161 1988-RDV-6:http://goccf.com/t/335954#2873459 1986-Off-center: http://goccf.com/t/335952
1999 WAM #2:http://goccf.com/t/338710&whichpage=1
1981 Double Struck In Collar: http://goccf.com/t/350199&whichpage=1
ANA id: 3194067
My Type Set: https://www.NGCcoin.com/registry/co...sets/236574/
If you want to buy something or sell something or just talk, shoot me a PM!
1999 WAM #2:http://goccf.com/t/338710&whichpage=1
1981 Double Struck In Collar: http://goccf.com/t/350199&whichpage=1
ANA id: 3194067
My Type Set: https://www.NGCcoin.com/registry/co...sets/236574/
If you want to buy something or sell something or just talk, shoot me a PM!