Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. Antoninianus (19mm, 3.45 g, 6h). Mint II (Colonia Agrippinensis [Cologne]). Group II (AD 268-269). IMP C POSTVMVS P F AVG, radiate, draped, and cuirassed bust right / P M TR P X COS V P P, Postumus standing facing, head left, holding branch and short sceptre. AGK 67 (r3); RIC V 294; Cunetio 2470. Good VF, dark brown surfaces, weakness of strike on reverse. Rare.

Ex Classical Numismatic Group 43 (24 September 1997), lot 2325.

Coins of this Group are dated to AD 268 on p. 41 of AGK, but to 269 in the catalogue entries!