Duplicate Listings: Antoninianus - Claudius II ANNONA AVG

There is a Duplicate Listings

https://en.numista.com/catalogue/pieces35223.html
https://en.numista.com/catalogue/pieces79386.html

For RIC 18 there are
---4 types of D/
Bust of Claudius Gothicus, radiate, draped, right
Bust of Claudius Gothicus, radiate, cuirassed, right
Head of Claudius Gothicus, radiate, right
Bust of Claudius Gothicus, head bare, right
--2 types of Mintmark
MintMark: -/-//-
MintMark: -/Δ//-

From
http://numismatics.org/ocre/id/ric.5.cg.18

you're right, would keep this one.