Watch List notes:

SICILY: Roger II, 1105-1154, AV tari (1.04g), Siqilliya, AH538, Spahr-63, single pellet in obverse center, name & title around (al-malik rujar al-mu'tazz billah), long cross, IC XC / NI KA around, nice strike, choice VF, RR, ex Stephen Album Auction 17, Lot 2013 (sold for $1600). The date is repeated on both sides, very clearly 538 on obverse, either 537 or 539 on reverse, 539 more likely. Very rare with any legible date.

Estimate: 500-600 USD