It could be that Kelly used fence paint that contained arsenic to prevent
rotting.
Who Knows?

I have been marking queens for over 50 years with Tester's Hobby paint, and
my queens are not superseded.

I feel strongly that ALL queens should be marked so the beekeeper has an
accurate record of what a colony headed by a particular queen, who has an
established "pedigree", is doing.

George Imirie
Certified EAS Master Beekeeper