I saw a few queries.
Not sure why it was missed on previous annuals, especially the one immediately after it sat on the ground on Guadeloupe for over a year.
The tank has been off for sure - in 2018 it got a hole poked through the wing when it slipped off a wing jack - got repaired in St. Barths - took the opportunity to do the training to land there (long expired as they last on six months - didn't find it difficult to land there, Canefield in Dominica is much scarier, especially landing south to north)
That said, it is what it is.
The donor plane a 1984 is about to get inspected, seems the A&P has been very busy.
Fingers crossed that the wing is good, I have a couple of photos but they don't show just where I am keen on getting looked at.