Watch List notes:

ANCIENT COINS, Roman, Trajan (AD 98-117), Æ Proto-Medallion, IMP CAES NERVA TRAIAN AVG GERM P M, laureate and draped bust facing right, rev TR POT COS III P P, Trajan galloping on horseback right, holding a spear, S C in exergue, 35.29g, 6h (Gnecchi -; RIC -; BMC -; C -). Dark brown patina, a little softly-struck on the reverse, otherwise good very fine and extremely rare, apparently unpublished.
ex Spink Numismatic Circular, June 2005, vol CXIII, no.3, item RM2507

Estimate: £4000-5000