Watch List notes:

British Coins, Victoria, sovereign, 1866, die no. 75, young head l., WW incuse on trun. without stops, curvy rounded 6's with bulbous top, rev. crowned shield of arms within wreath, die number 75 below die flawed (Marsh 51; MCE.527; S.3853), red patches of tone on obverse, toned nearly very fine, reverse better
*ex The Bentley collection, A.H Baldwin and Sons, Auction 76, 27 September 2012 lot 509
Calendar year mintage 4,047,228
This coin was purchased from one of the groups of coins from the wreck of the RMS Douro.
(350-400 GBP)