(Schutzstaffel) In silvered feinzink, marked with the RZM (Reichszeugmeisterei) insignia inside a circle on the top row, the SS Runes inside a circle beside "36" over "42" inside a circle on the middle row, and maker marked with the "OLC" (Overhoff & Cie, Ludenscheid) insignia on the third row on the reverse, measuring 49.3 mm, This particular buckle is illustrated on page 229 of "Belt Buckles & Brocades of the Third Reich, Revised Edition" by John R. Angolia and came from his personal collection.
Footnote: From the collection of approximately 900 German buckles accumulated by John R. Angolia, who start collecting buckles, belts and brocades from 1944 until around 1990; most of the buckles were obtained from the American and German veterans; most of these buckles present a core of Angolia’s book “Belt Buckles & Brocades of the Third Reich”, published in 2001.