Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums Petroliana Value Questions Hermoline gas Sign hidden under chair

My wife brought home a set of four old antique chairs. When I was unloading them from the car, I noticed a sign under one of them. They were all put together using cut up signs. The Hermoline looks to be the most complete and was originally a smaller size. Any idea on info about this company? I have never heard of it. Value of Sign?