Watch List notes:

GREAT BRITAIN: Elizabeth II, 1952-2022, AE 20 pence, 1991, KM-939, error struck on Malawi 2 tambala planchet, very interesting! NGC graded MS65 RD. The Malawi 2 tambala, KM-8.2a type, was struck from 1984-94 on copper plated steel planchets.

Estimate: 100-150 USD