Watch List notes:

MS64 | Victoria (1837-1901), Shilling, 1889, large 'Jubilee' head, edge milled, 11h (ESC 3142 [1355]; S.3927), attractively choice, as if 'fresh from the die' with a few tendrils of streaky tone, otherwise virtually mint state, in NGC holder, graded MS64 (Cert. #5878613-001) [Tied 1 of 7 / 9 Finer].
An example in MS63 sold in our Shilling Numismatic e-Circular 5 (October 2020, lot 1824) sold for £240
Estimate: £150 - £200