Featured in this lot is this Pennzoil "Sound Horn We'll Open" advertising sign circa 1950's. The sign features a wonderfully and professionally crafted painted metal construction that features a white field with black lettering and a red stripe at the bottom with white lettering and the Pennzoil logo. The sign is reads as follows: Sound Horn - We'll Open - Ask for... - 100% Pure Pennsylvania - Pennzoil - Safe Lubrication - with Z-7. The condition of this sign is good with no obvious signs of damage and shows good overall condition. The measurements of this sign is 15" x 32".