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Contributor: Database Team
Shape:Research Update
Contributor: Sid Lethbridge
KING, SON & CO. No. 127 OPTIC (OMN) by King, Son & Company/Pittsburgh-PA (Company Operated: 1869-1891), mid 1880s Introduced
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Contributor: Database Team
Shape:Research Update
Contributor: Sid Lethbridge
NOTE: Sid Lethbridge - The date for the plain No. 127 goblets i.e. no optic would be mid 1870s. The coloured version with the dot optic would be mid 1880s. I am extrapolating from King's use of the same pattern number regardless of being plain or with optic for other lines.
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Contributor: Database Team
Shape:Research Update
Contributor: Sid Lethbridge