Watch List notes:

Elizabeth II (1952-), bronze Decimal Penny, 1981, trial piece, crowned bust right, Latin legend and beaded border surrounding, ELIZABETH. II D. G. REG. F. D., rev. struck en Medaille, laurel wreath with berried around periphery, edge plain, weight 3.37g. An extremely rare unrecorded pattern piece, toned, one small Verdigris spot, extremely fine, returned by NGC as an ineligible type for grading, extremely rare.

NGC Certification 6321673-019.

The Latin legend translates as "Elizabeth the Second by the Grace of God, Queen, Defender of the Faith".
Estimate: £100-150