Need help about a 5'8" single fin I've had for over 20 yrs....,

I picked this 5’8" single fin fish at a yard sale in my late teens,I’m 40 now,have surfed it a dozen times.I,ve always been curious about it’s origins.it says HUBIE on the deck,not Hobie…HUBIE.,!! I am sorry I don’t have a pik. Anyone out there that could help me it would be great…I live on the east coast,northeast…thx