This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Timbre Serbie roi Pierre Ier . Timbre du royaume de Serbie l'effigie du roi Pierre Ier srie de Photographie d'un exemplaire personnel par User Sebjarod avril Licence domaine public Stamp of Serbia figuring KIng Peter Photograph of personal item by User Sebjarod april Licence public domain PDold stamps Stamps of Serbia Peter