Genuine Phillips Milk of Magnesia Bottle Value Guide

The Phillips Milk of Magnesia bottle is a staple of mid-century pharmaceutical history, prized by collectors for its iconic cobalt blue glass. First formulated by Charles H. Phillips in 1873, these specific 1940-1960 era bottles were designed to protect the magnesium hydroxide from light degradation while creating a visually striking brand identity.

What affects the value of Genuine Phillips Milk of Magnesia Bottle?

• Condition of the glass, specifically the absence of chips, cracks, or 'sick glass' cloudiness from burial.
• Presence of the original paper label, which significantly increases rarity beyond the standard $10-$12 value.
• Clarity and depth of the cobalt blue pigment, as more vibrant hues are more desirable to display collectors.
• The presence of the original metal cap, which is often missing from excavated or salvaged examples.

How to Identify Genuine Phillips Milk of Magnesia Bottle?

• Look for the deep, translucent cobalt blue color characteristic of authentic Phillips glass production.
• Check the base for embossed manufacturer marks or patent numbers consistent with USA production between 1940 and 1960.
• Verify the presence of the 'Phillips Milk of Magnesia' name embossed directly into the glass body.
• Examine the lip style, as these mid-century bottles typically feature a threaded screw-top finish rather than a cork top.

History of Genuine Phillips Milk of Magnesia Bottle

Phillips Milk of Magnesia was first formulated in 1873 by Charles H. Phillips. The distinctive cobalt blue bottles were used for many years, helping to protect the contents from light exposure and also making them easily recognizable. These bottles have become popular collector's items due to their striking color and historical significance in pharmaceutical packaging.