See pictures for measurements and condition if applicable.

Bundle multiple items from my shop to get additional discounts! Getting the item(s) as pictured.

This vintage enamel pin is a unique addition to any collection. Featuring the Master Flow Building Products Ductwork logo, this pin is a rare find for collectors of pinbacks. The pin is in great shape and has been well-preserved over the years. It would make a great gift for anyone who loves vintage pinbacks or building products.

The pin is part of the Collectibles category and falls under the Pinbacks & Lunchboxes and Pinbacks:Other Collectible Pinbacks subcategories. It is a great piece for anyone who loves vintage memorabilia and wants to add a unique item to their collection.