Stunning, Super Crisp Hand-painted c. mid 19th Century Mug with Greek Key Pattern electrical charge meter which looks hand-dyed to me

which looks hand-dyed to me

I've not been able to find another sign like it

) With a wonderfully fine featured face

Each measures 4 3/4" x 2 3/4" in diameter

Stunning, Super Crisp Hand-painted c. mid 19th Century Mug with Greek Key Pattern electrical charge meter which looks hand-dyed to meI purchased this bright white beauty of a mug with hand painted "Greek Key" decoration from a dealer in New Hampshire with always unexpected things at great prices; recently from him I grabbed a huge, fine, 18th Chinese export punch bowl with gorgeous staple repairs. I've done a fair bit of searching and can find no exact likeness, but turned up a couple of references, the most useful a c. 1863 Copeland (British) basic and pitcher with hand painted