wavemaniac said..
Termite,you are a year out.Trackers followed pintails.They started showing up July/August 1968.Its likely Froggy or Greasy shaped that.Usually those logos showed the shapers name.
Thanks Maniac 67 was a guess. How's the fin on the beast. I had to put 6 layers of 6oz either side to stop it flapping in the breeze. Definitely made to disembowel!