8 Benefits of Copper Zinc Alloy Finemetal Zinc Alloy vs Brass Comparison Pros and Cons Material Properties CNC Zintilon All About Brass as a Manufacturing Material Xometry. RARE Vintage Coach #7100 Brass Station Bag Key Fob Keychain Good pre owned condition, comes in box shown in photos We also have the Vintage Coach brass daypack key fob in our shop (just search our other listings)! Shop with confidence each purchase is nicely and securely packaged and promptly shipped (usually within 1 2 business days). Thank you for shopping with us!