Prestone Anti-Freeze "You're Safe and You Know It" Porcelain Thermometer Sign

A bold piece of American automotive history, this vintage Prestone Anti-Freeze porcelain thermometer sign is a standout display for any garage, man cave, or petroliana collection. Featuring the classic Prestone branding and the iconic slogan "You're Safe and You Know It," this sign combines a working thermometer with eye-catching period-correct graphics.

Porcelain enamel signs like this were a staple of mid-century service stations and auto shops across the country — built to last and impossible to ignore. The vivid colors and durable porcelain finish have held up beautifully over the decades, making this a true collector's piece.

• Authentic vintage porcelain enamel construction
• Classic Prestone Anti-Freeze advertising graphics
• Working integrated thermometer
• Dimensions: 35" x 9"
• Perfect for garage, shop, or display wall décor
• A must-have for petroliana and automotive memorabilia collectors

A rare find from the golden age of American roadside advertising — add it to your collection before it's gone.