This thermos mug is a rare piece of labor history ephemera from the TEAMSTERS Local Union 507 Bakers 19. It features the union's logo and is a great collectible for those interested in historical memorabilia and fraternal organizations. The mug has been previously owned and shows signs of use, but it remains in good condition for its age.

Aspects of the mug include its connection to the Trade Union organization and its category as a collectible within the Historical Memorabilia and Fraternal Organizations categories on eBay. This unique item is perfect for collectors, historians, or anyone interested in the rich history of American labor unions.