Watch List notes:

Victoria, pattern shilling by Wiener and Taylor, 1863, coroneted head left, rev. crowned square-topped shield, tressure over cross, plain edge (ESC.3091, old ESC.1377), certified and graded by NGC as Proof-64, pleasing medium grey toning, a choice specimen
The only one graded as Proof-64 by NGC, one graded higher.

Estimate: 3000 - 3500 GBP