Watch List notes:

Lot of three large copper bowls (nesting), ex-"Pewter Wreck" (mid-1500s).2543 grams total, 11", 11-1/2", and 13" diameter, 4-1/2" tall.Three graduated, generously sized dark-brown cooking vessels intact and stable with thin walls and light sedimentation, tested (XRF) to be 74%-75% copper, 21% zinc and 2%-2.5% tin.From the "Pewter Wreck" (mid-1500s), with original photo-certificate and registration (zip drive) from the salvors, also pedigreed to the Wilkinson's (UK) auction of November 2013, lot 468.From: "Pewter Wreck," sunk in the mid-1500s off Punta Cana, Dominican Republic
($250-375)