Exactly.
Having no sell-on value due to age is a minus in the transfer fee column.
The other thing, maybe ironically, is that some clubs might think he's peaked this season.
It's rare an on-form striker has left us and repeated the same form. They struggle to score half their tally.
I'd love to see 7 figures, but I'd guess it ends up as 'undisclosed' and a high 6 figures.