Circles;
DUNCAN, GEORGE & SONS No. ..47 POLKA DOT (OMN)
• AKA: Polka Dot Pressed Ware
Duncan, George & Sons (Pittsburgh-PA, Operated: 1874-1891), Introduced: c. 1885
• NOTE: Ref: Early Duncan Glassware by Bredenhoft/Fogg/Maloney page 80.
• Motifs: (Circles), (Optics)