These are actually from my own collection I've kept since I was 7 Years old. 1 of the boxes is from 1992 but all the others are from 1991.
Check out the rarity here and see for yourself. The item "60 original Mini Boglins from 1991/1992 boxed VERY RARE and hard to get hold of" is in sale since Sunday, July 5, 2020. This item is in the category "Toys & Games\Vintage & Classic Toys\Other Vintage & Classic Toys". The seller is "newcoaching" and is located in Torquay .This item can be shipped worldwide.