OWL ON A BRANCH (AKA) by Dithridge & Company/Pittsburgh-PA/Jeannette-PA (Company operated 1861 - 1901), c1879 Introduced
NOTE: Crystallography treatment
NOTE: Ref: Pattern Glass Mugs, by Mordock & Adams, pg 20
Shape:Cups & Mugs
Contributor: Cheryl Kevish, Robin Fisher Cisne
Shape:Cups & Mugs
Contributor: Rob Hallock, Matthew Cox, Cheryl Kevish (3,4) 1/7/2026