Porsche Gmund Coupe  Factory issued featuring the first model of Porsche. This is the "master" without any of the three different imprints. Signed and dated 1952 by Erich Strenger.  Pages 10 & 12 in Lewarndowski #2.  The only example I have ever seen in 46+ years.  This is from the personal collection of Erich Strenger.  16.75" x  23.4", LM  6.26  out for linen