This is a medium sized 6-sided poison with vertical ribbing on 2 of the 6 sides. The top is a hand tooled ring top, circa 1890. This is bottle #4 in the group pic below, shown for color comparisons.
Embossed: NOT TO BE TAKEN
Height: 4 5/8 "
Color: deep purple hued cobalt blue
Condition: Mint - structurally perfect (no dings, chips, cracks), clean, hardly any wear, natural patina.
Reference Number: L175