-- Pattern Details
SPOT OPTIC (AKA)
• AKA: Inverted Thumbprint; IVT
• Unknown Glass Company- Formerly Speculated as Phoenix Glass Co., Introduced: c1883 Introduced
• NOTE: Thomas Jiamachello - Phoenix Glass, "shoulder mould, spot optic pattern" (Marple p. 45-47). This blue is unusual for Phoenix. Made in the 1883-1887 period.
• Motifs: (Optics)
• AKA: Inverted Thumbprint; IVT
• Unknown Glass Company- Formerly Speculated as Phoenix Glass Co., Introduced: c1883 Introduced
• NOTE: Thomas Jiamachello - Phoenix Glass, "shoulder mould, spot optic pattern" (Marple p. 45-47). This blue is unusual for Phoenix. Made in the 1883-1887 period.
• Motifs: (Optics)