2 antique purple UNDERWOOD’S INK bottles BIMAL

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Free shipping for this set of two beautiful purple colored glass ink bottles. The smaller ink bottle measures approx. 2 ¾ inches tall by 2 inches in diameter at the base. It’s in excellent condition with no chips or cracks but it does have a cloudy surface as it is a dug bottle. It is marked “UNDERWOOD’S”. The bigger one measures 3 inches high by 2 ¼ inches in diameter at the base and is marked on the side "UNDERWOOD’S INKS". It’s in perfect shiny condition with no chips or cracks. Both bottles are BIMAL bottles (Blown in the mold applied lip) and have been irradiated to give them their beautiful deep purple color (an artificial process that turns antique clear glass in a beautiful deep amethyst/purple colored glass, it is about the equivalent of decades of glass overexposure to the ultra violet rays of the sun; the manganese which is one of the key ingredients that they used to take to get clear glass prior to 1910 reacts and becomes dark amethyst/purple in color, actually very few bottles have manganese in them and most are over 100 years old. Please take note that the color is not flashed on the glass nor applied, it is derived from the natural chemicals in the glass.). To the best of my knowledge, these bottles date back to the late 1800's early 1900's. FREE SHIPPING for Continental USA and Canada. Canadian residents must read more