Vintage McKesson’s Boric Acid Powder jar, 4 oz size, featuring original label and metal lid marked “Better by McKesson.” Made by McKesson & Robbins, a well-known pharmaceutical company, this piece showcases classic apothecary style. The textured glass and bold label give it strong display appeal. Ideal for collectors of vintage medicine bottles or apothecary décor. Shows typical wear from age and use; label remains presentable.