Watch List notes:

YEMEN: Republic, AR 10 rials (35.72g), 1975/AH1395, KM-16, Montreal Olympics XXI, "925" and "ni" (for Numismatica Italiana mint) countermarks on obverse, obverse toning blotch, some hairlines (as usual), reeded edge, mintage of only 4,000 pieces, Proof, S.

Estimate: 65-85 USD