Saving Old Seagulls

Hi yes it was purchased new in 52 and the serial code on the casing is the same as written on the book which is as I said OP540

Hi I have a seagull 102 plus for sale it was purchased in August 1952, I still have the invoice for the purchase. The engine has not been used probably since the 60's so I have no idea if it does or will work. The serial number on the instruction book is OP540 which I understand means it is fairly ...