Watch List notes:

Victoria (1837-1901), Proof Halfcrown, 1887, 'Jubilee' bust left, rev. crowned shield in Garter (S.3924), attractively toned with very faint cabinet friction, otherwise practically FDC.
provenance
Spink Numismatic Circular, January 1979, no. 231 - £85
Estimate: £350.00 - £450.00