Vintage Winchester Shot Gun Shells Porcelain Firearm Sign. This vintage Winchester sign is a must-have for any collector of gas and outdoor sports memorabilia. Made of durable porcelain, it features the iconic Winchester lettering in the center and the is perfect for display in a garage or man cave. Measuring at 12 inches, it is a great size for display in a service station or man cave. Discover More About the Porcelain Signs Available in Our Other Auctions, Which Include a lot of Gasoline brands, Penn & Rapala, Harley Davidson, Colt and Other Items. Vintage Winchester porcelain sign. 12 inches in diameter. Vibrant colors and excellent porcelain.