The spot has been there since I got Maple. that was December 14th last year.
I still think it’s most likely a weirdly placed dalmatian spot but wanted to know what you think? I think if it was mouth rot it would have progressed at least a bit and if it was an injury it would have healed by now.
First picture of today for close up look.
As far as I can tell it is just a different colour, no indent or anything.