Watch List notes:

NGC MS65 | Coronation of Elizabeth II, Unofficial Brass Medal, 2 June 1953, from Discontinued Original Puncheons by G. H. Paulin for the Royal Mint, draped and crowned bust right, rev. • THE CORONATION OF HER MAJESTY QUEEN ELIZABETH II, cypher and date within wreath, edge plain, 33mm, 12h (BHM 4436), some deposits to the peripheries, otherwise with a pleasing lustre to otherise matte surfaces, about as struck, in NGC holder, graded MS65 (Cert. #2896815-002).
In a break with tradition, no official Coronation Medal was struck by the Royal Mint for the occasion. However, upon request they provided private companies the dies bearing the offical effigy designed by G. H. Paulin.
Estimate: £50 - £80