Just slightly out of my means just at the moment, but it does appear to be a remarkable piece of work. The condition is a bit regrettable, but I bet in earlier days it was probably pretty close to indistinguishable from the real thing. If you have an interest in the NF-104 aerospace trainer, I guess you aught to have one of these.

ALL ORIGINAL ROCKWELL AR2-3 ROCKETDYNE ROCKET ENGINE MOCK-UP 39″ 1950-1963