Watch List notes:

Dutch ducatoon "biscuit" (completely cocooned in encrustation). 41.72 grams. Broad, perfectly round and flat cookie of encrustation with good weight (indicating a well-preserved coin inside, most likely), the surfaces mostly light and dark gray with tinges of green. Recovered from: Vliegenthart, sunk in 1735 off Zeeland, Netherlands
($125-200)