Hello
https://en.numista.com/catalogue/pieces55367.html
This coin is Antoninianus - Gallienus AETERNITAS AVG ROME mint
But the RCV# 10169 code is for MEDIOLANUM mint
A right code for RIC 160 (Rome mint) is Göbl-577a
from
http://www.coinproject.com/search_emperor.php?type=3&emp=Gallienus&sort=obv&page=2
and
http://www.forumancientcoins.com/gallery/thumbnails.php?album=search&search=Gallienus