DRG.LP/ 130 HP.C/ 50PWI is this a Sopwith propeller

[arantxa]

im not sure what these figures etc mean
thank you for any advice

[arantxa]

there is also a little shield emblem of a devil on sort of sun ray backgound

[Dbahnson]

There's nowhere near enough information there to answer your question. Please post photos of the entire propeller, the stamped markings, the "shield" and the length of the prop from tip to tip. That would be a good start.