Watch List notes:

The Milton Collection, British West Africa, George V, Specimen tin-brass shilling, 1923 KN, King's Norton mint, crowned bust left, rev. palm dividing date, value below (FT 55, var.; KM 12a), extremely rare, certified and graded by NGC as Specimen 65
Ex David Vice, Heritage Auction 3039 (10 January 2016), lot 37017.
There were no "Specimens" of this date in either the Diana and Arielle Collections. Heritage went on to record the coin as "An exceptional Gem".
(600-700 GBP)