I recently purchased this little darling ??

I was told its an early model Seagull, and very rare, as the previous owner said he had never seen another !
I think the motor is original, but the cowling is wrong LOL


Anybody have a clue as to what the lower unit is from ?
I will probably repaint the cowl, fit a new Seagull decal, and she will be a little beaut. LOL

Photos may be wrong size ?
Cheers