Watch List notes:

Victoria, pattern shilling by Wiener and Taylor, 1865, coroneted head left, rev. crowned shield in Garter, plain edge (ESC.3121, old ESC.1395), certified and graded by NGC as Proof-65, an especially fine coin having old-time grey toning, rare and decidedly so this well preserved
The only one graded as Proof-65 by NGC, none higher.

Estimate: 3000 - 3500 GBP