This is a classic Philly soda has an applied tapered "hat" type top and an iron pontiled bottom.
Embossed: TWITCHELL / T (open block letter) / PHILAD.A // SUPERIOR / T (open block) / MINERAL WATER
Height: 7 1/2"
Color: bluish-teal green
Condition: perfect structurally (no chips, dings, cracks), with some patchy stain and a bit of spotty light wear and scratchiness. Some case wear around the shoulder. Never polish cleaned, natural patina.
Reference Number: GW92