POLKA DOT (OMN) gd&s
Duncan, George & Sons (Pittsburgh-PA, Operated: 1874-1891), Introduced: 1884
• Motifs: (Figural) (Optics) ()
NOTE: Sid Lethbridge - This line is largely blown ware and includes some amazing colours including rubina verde. Not to be confused with their No. 47 Polka Dot which is a pressed line.
• Motifs: (Figural), (Optics)