St. Vincent de Paul Postage Stamp
Federal Republic of Germany
This is a German postal stamp, first issued October 23, 1951. The words HELFER DER MENSCHHEIT at the top mean "helper of mankind." As in most other images, the saint is pictured with a van dyke beard and a close-fitting cap.
Read more about images of St. Vincent de Paul.
Source: this page at Wikimedia Commons.