Watch List notes:

1957 $1 SWL NGC Superb Gem Proof-Like-66/ICCS Gem Proof-Like-65. Important to ICCS graded Gem Proof-Like-65 with SWL designation. As per Charlton Coins, the SWL variety is not catalogued as existing in PL condition. Possibly a unique example. Believed to be extremely scarce.