This vintage 1917 cobalt blue glass John Bull eye wash cup is a unique addition to any collection. Made in the United States, it is a rare find for collectors of optical items. The cup is perfect for display or use as a decorative piece.

The eye-catching blue color and intricate design make this cup a must-have for anyone interested in vintage collectibles. Whether you're a collector or simply looking for a conversation starter, this cup is sure to impress. Add it to your collection today!