Spot on Neil, it is the old Airfix mould. I've no idea how old it is but it must be really worn what with the amount of leakage around the parts. I'm going to treat myself to the Trumpeter 1:350 model, reading the reviews it is an excellent model, very detailed and top quality. https://www.amazon.co.uk/gp/product/...FDGVXP241ZB1C6