PALMER'S PRISM (AKA) by Portland Glass Company (Portland-ME, Company Operated: 1863-1873), Patented 1868 Introduced
NOTE: Sid Lethbridge - one of the three documented Portland patterns.
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Shape: Photo Needed
Contributor:

Shape: Comport/Compotes
Contributor: Patty Kahn, taken at Portland Museum of Art in Portland Maine

Shape: Catalogue/Ads
Contributor: Sid Lethbridge