I've dug these bottles always in deep olive green, never this unusual yellow color. They're not rare but usually have attractive glass character and this one is no different - nice hammered whittle. The top is hand tooled.
Embossed (base): UNGARS QENER BITTERWASSER
Height: 9 1/2"
Color: light yellow olive
Condition: perfect structurally (no dings, cracks, chips), spotty very light wear, but it has some patchy haze to polish clean.
Reference Number: GW476