From Tatiana’s TOMATObase:
“Ukrainian family heirloom (although the name implies that it could have originated from Tula, Russia). This variety was imported from Russia (Marina Danilenko) by Seed Savers Exchange and offered in the SSE 1996 Yearbook.First offered commercially by Seed Savers Exchange in 1998 as part of the 'Russian Collection'. One of the 100 heirloom tomatoes mentioned in Carolyn J. Male's book "100 Heirloom Tomatoes for the American Garden".