Watch List notes:

COMMEMORATIVE MEDALS, BRITISH HISTORICAL MEDALS, Henry Frederick, Prince of Wales (1594-1612), Tribute Medal, Silver(?) and perhaps once part gilt, by or after Simon de Passe, the Prince stands with hunting lance held up, legend around supported by lion and unicorn, ILLSTR HENRICUS PRINCEPS UUALLIÆ, wide border around with flower-heads at compass points, rev infant genii support the Prince's crest of a unicorn set in ornate scroll-work, plain border, 42mm. Good very fine, rare and seemingly unpublished.
The image after a lost drawing by Isaac Oliver, first engraved as the frontispiece to M Drayton's 'Poly-Olbion', 1612 and known also from a painted copy (now in Dulwich Picture Gallery) attributed to De Critz.

Estimate: £400-600