In 1971 the GT50 and the GTS50 models were introduced. Barring their small differences (GT50 / 517-34 Liste 0 had 3-foot and the GTS50 / 517-35 Liste A had 4-foot) you could get them delivered in the Netherlands in a beautiful gold color. In Germany, the KS Super Sport (the 517-20 and 517-51) were also delivered in the same color in 1973 and '74. The official color is listed on the dealer lists: Arizona-Gold-Metallic. Is easier to remember as: Het Goudhaantje. The Golden Rooster