Minor rim darkening.
Estimated production is 1960's.
Length: 6.0 in / 15.2 cm
Bowl Height: 2.5 in / 6.5 cm
Bowl Width: 1.4 in / 3.6 cm
Chamber Diameter: 0.7 in / 1.8 cm
Chamber Depth: 1.9 in / 4.7 cm
Weight: 1.7 oz / 48.0 g
Origin: Made in England
Bowl Material: Briar
Stem Material: Ebonite - Black
Filter: No Filter
Markings: GBD, Unique, London England, A2
- Length:
 - 6.0 in / 15.2 cm
 - Bowl Height:
 - 2.5 in / 6.5 cm
 - Bowl Width:
 - 1.4 in / 3.6 cm
 - Chamber Diameter:
 - 0.7 in / 1.8 cm
 - Chamber Depth:
 - 1.9 in / 4.7 cm
 - Weight:
 - 1.7 oz / 48.0 g
 - Origin:
 - Made in England
 - Bowl Material:
 - Briar
 - Stem Material:
 - Ebonite - Black
 - Filter:
 - No Filter
 - Markings:
 - GBD, Unique, London England, A2