Thanks again everyone.
I threw in the Zinc rot at the end because it's there.
The (?laminate?) I didn't think it possible but I thought I saw something about it awhile ago.
On my list of possibilities that the coin has l left out Spike Head Sorry.
@John1. thanks for pointing out RIDB
@Cujohn. thank you for the info of the BIE.
I saw it on COC. Looks like mine is a later stage.
@Dearborn. There's parts of the crack going towards the other but very fine and not complete.
Regards
Rob.