Bingo! https://www.chimneypot.com/pages/history.html "Chimney pots have been documented as early as the 13th Century, although the United States, like much of Europe, largely discovered chimney pots in the mid 1800s. Because of their ability to increase draft up a chimney, they were invaluable in small and large houses alike, as well as in other buildings where fireplaces served as the primary source of heat. Since coal was the fuel of choice, it was of the utmost importance that noxious fumes and and soot be vented up the chimney and out of the house." So I would vote that SparrowPrince's chimney pots are both attractive and "historically" accurate.