Watch List notes:

Divus Claudius II Gothicus. Died A.D. 270. AE antoninianus (19.1 mm, 2.73 g, 6 h). Rome mint. DIVO CLAVDIO, radiate head of Divus Claudius II Gothicus right / SECVRIT AVG, Securitas standing left, legs crossed, leaning on column, holding scepter. MER RIC -; RIC -. aVF, rough fields. Very Rare and Unpublished.

Although unpublished in RIC, it belongs in the series recorded on pages 234-6. Possibly unique.