Watch List notes:

Great Britain (London, England), 1/2 sovereign, Victoria (young head), 1859, from the SS Pewabic (1865), encapsulated NGC AU 53. Sp-3859A; KM-735.1. Lustrous all over but very finely pockmarked on obverse due to its near-unique origin, a Great Lakes steamship that sank just after the Civil War under mysterious circumstances. From the SS Pewabic (1865), as stated inside the slab.

Estimate: $500