Advice needed- How to repair moth holes in my old Balmoral?

[Stewart of Galloway]

This balmoral has been with me since 1976 and would be older than that, it was supplied to me with my Highland gear when I joined the Queensland Irish Association Pipe Band.
When I left the band in 79 I was given it as they were changing to a Lovat Green balmoral (or grey?).
Anyway it has lasted the years and sometime in it's long storage some critter ate some holes.
I have been looking for repairing advice and the best I can get so far is to darn it myself with a fine woolen thread in the Bottle Green of the bonnet.

Wondering if anybody knows better how I could get it restored? (The satin lining is ok but also has some big holes.)
Cheers!
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