Watch List notes:

Mexico City, Mexico, cob 4 reales, (17)24(D), (Louis I), very rare. S-M23; KM-42. 11.78 grams. Clear date and mintmark despite moderate surface corrosion, no part of king's name or ordinal visible but deduced from the date. (Also see lot 577 in this auction, a non-salvage specimen without visible date but clear king's name.) Recovered from: Rooswijk, sunk in 1739 southeast of England
($200-400)