Questions like that were asked about the old medieval/village hats when the PCC was around. There was no response and it was assumed the moulds were all lost/broken. In the last couple of years all these hats have appeared including the helmet that the old Nuremburg guards wore. They've appeared in advent calendars, Spirit franchise sets, Novelmore.
If they can bring out old stuff like that and recently they've re-issued the western gavel and bell from the school set, then it's certainly possibly for that pleated bonnet to be remade.
It's a nice piece, it is finely made and a good size. It would be great to see it on a newer figure with more realistic clothing.