As the 6th December is St Nicholas' Day, here's a short post on St Nicholas & Boy Bishop tokens in 15th- and 16th-century East Anglia :) https://www.caitlingreen.org/2015/01/st-nicholas-or-boy-bishop-tokens-in.html?m=1
A mould used for making the East Anglian Boy Bishop tokens, probably from Bury St Edmunds: http://www.stedmundsburychronicle.co.uk/abbey/boymould.jpg
St Nicholas and the legend of the 3 children in a pickling vat/brine tub, from the early 15th-century Harley 1808, f. 45v: https://www.bl.uk/catalogues/illuminatedmanuscripts/ILLUMIN.ASP?Size=mid&IllID=19683
A 15th-century silver pilgrim's badge of St Nicholas & the 3 children in a pickling vat/brine tub, found Stanningfield, Suffolk: https://finds.org.uk/database/artefacts/record/id/37296
For interest, St Nicholas of Myra—an assessment of the early stories of his life & their historicity: http://livius.org/articles/person/nicholas-of-myra/ & see also https://roger-pearse.com/weblog/2015/02/03/the-literary-development-of-the-life-of-st-nicholas-of-myra-santa-claus/