Watch List notes:

Iron cannonball grenade (three-pounder), conserved and intact, ex-1715 Fleet.999 grams, 3" diameter. Hollow but solid and professionally conserved, with large hole on seam for inserting powder and what appears to be a casting sprue away from the seam, matte black all over.From the 1715 Fleet (Cannon Wreck site), with Fisher photo-certificate #6181.
($500-750)