Type: Mark
Location: Underside, base
Inscription: "GR" stamped in a rectangle
Type: Mark
Location: Underside, base
Inscription: "GR" stamped in a rectangle
Type: Mark
Location: Underside, drip pan
Inscription: "GR" stamped in a rectangle
Type: Inscription
Location: Underside
Inscription: "6=18" engraved
Type: Inscription
Location: Underside
Inscription: "[G] / 1484 / 214" incised