Looks like a twin-jet version of the McDonnell 119/220 - a bizjet concept that never got past the prototype stage. Amazingly, the thing is still around to this day...
https://www.youtube.com/watch?v=XkAKxsxD_tY
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https://www.miniatureaircraftcollectors.net/viewtopic.php?f=17&t=1605