Per previous cataloguer (pre 2010): Possible origin is America. Dealer says may have been made by Lydia Calhoune of Eastham, Massachusetts, between 1780-1820.
Date
1760-1850
Materials
Earthenware
Shell
Glass
Wood
Paint
Mica
Techniques
Molded
Hand modeled
Painted
Turned
Shellwork
Dimensions (inches)
10 (H) x 6 (Diam)
Dimensions (centimeters)
25.4 (H) x 15.24 (Diam)
Bibliography and Bibliographic Notes
Book: Whitenight, John. 2013 Under Glass: A Victorian Obsession.