Watch List notes:

Catherine II (1762-1796), pattern commemorative 'poltina' by C.H. Küchler, struck in copper by Matthew Boulton, 29mm, 10.15g (Bitkin [Alexander I] Ж916), prooflike fields, good extremely fine Ex NASCA auction (Chicago), 19-21 March 1982, lot 1414
Estimate: 400-600 GBP