PALMER'S PRISM (AKA) by Portland Glass Company/Portland-Maine ( Company Operated: 1863-1873), Patented 1868 Introduced
NOTE: Sid Lethbridge - one of the three documented Portland patterns.
Shape:Catalogue/Ads
Contributor: Sid Lethbridge
Shape:Comport/Compotes
Contributor: Patty Kahn, taken at Portland Museum of Art in Portland Maine