here's another nice Decentius...the seller, however, thinks that it is an official mint product that is unlisted
DN DECENTIVS NOB CAES / VICTORIAE DD NN AVG ET CAE /
on shield: VOT V MVLT X / in field: SV / in ex.: palmbranch AMB palmbranch.
Grade: uncircluated; dark gray-brown patina.
Reference: RIC VIII, Amiens 12 var (bust type, field marks & mintmark). Unpublished variant.