Fellow Histarchers:
A local amateur archaeologist asked me about a piece of late 19th/early
20th-century white earthenware bearing the mark below. I am unfamiliar
with ceramics of this period. I would appreciate hearing from anyone who
might be able to identify the maker's mark.
Thanks.
Jim Gibb
The Lost Towns of Anne Arundel Project
Annapolis, MD  USA
 
G.D.P. Co.
Porcelain
[?]LASGLO[?]
[three wing-dings]
Warranted
M [encircled)
CHINA
 
Also, several white earthenwares impressed with the mark:  D & D