The Twin Engine Porsche or Al Stein's Twin Porsche or Porsche-Porsche is a unreleased casting that was meant to appear in the 1969 line under the Grand Prix series. Only known existence of this casting is the big scale model pictured above (used to help designers make the 1/64 version) and a letter from an ex-Mattel employee giving it is name. Both owned by Bruce Pascal. Bruce Pascal got this Lot of 8 Resin Big Models of what was suppose to be the '69 Grand Prix series cars, along with a letter of authenticity. 2/…
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The Twin Engine Porsche or Al Stein's Twin Porsche or Porsche-Porsche is a unreleased casting that was meant to appear in the 1969 line under the Grand Prix series. Only known existence of this casting is the big scale model pictured above (used to help designers make the 1/64 version) and a letter from an ex-Mattel employee giving it is name. Both owned by Bruce Pascal. Bruce Pascal got this Lot of 8 Resin Big Models of what was suppose to be the '69 Grand Prix series cars, along with a letter of authenticity. 2/…
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