PRISM MUG (AKA) by Unknown Maker/Unknown Location (Company Operated: Unknown), Unknown Date of Introduction

NOTE:2020: ref Mordock p46-47, attributing to Mckee & Bros but without documentation. 1860's?

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Glass Display
Shape: Cups & Mugs
Contributor: Rosa Monta about 2H
Glass Display View
Shape: Cups & Mugs
Contributor: Rosa Monta