• AKA:
Duncan, George & Sons (Pittsburgh-PA, Company Operated: 1874-1891), Introduced: c1890 Introduced
• NOTE: Sid Lethbridge 2021: The image ... is from a circa 1890 catalog reprint published in 1984 by George A. Fogg. This group includes No. 57 (6oz); No. 58 (8.5oz); No.59 (11 oz); No.63 (4 oz); and No. 64 (5.5oz)
NOTE: 2021: this pattern was made by many factories, including Central; the pieces are very similar
NOTE: one of these catalog pages is a mirror image, with the swirls reversed
• Motifs: (Swirls/Spirals)