Watch List notes:

SIERRA LEONE: AE dollar, 1791, KM-7a, off-metal strike, fierce lion // clasped hands, described as damaged, but the damage is a small group of nicks between the number "1" and the date on the reverse, NGC graded EF damaged, RRR. Only one example is listed on CoinArchives, which is this piece, NGC #4253786-002. The consignor has estimated that fewer than 10 pieces are known.

Estimate: 650-850 USD