Watch List notes:

Probus. AD 276-282. Antoninianus (21.5mm, 11h). Rome mint, 4th officina. 5th emission, AD 280. Radiate bust left, wearing imperial mantle and holding eagle-tipped scepter / Roma seated left within hexastyle temple, holding Victory and scepter; R(wreath)Δ. RIC V 183; Pink VI/1, p. 57. Trace silvering. In NGC encapsulation 6555688-007, graded Ch AU.