I'm hoping you guys can help me out. I have 1 unopened bottle of LUBAL "A" Gasoline additive and 1 botle of LUBAL "K" Oil additive.They are 4 ounce bottles and I have never seen any like them before. I tried to find info. about them but I come up blank. If anyone knows, I figure it's you guys. Any info. is appreciated. The company was located in Columbus 8, Ohio and the bottles are embossed Duraglas at the base. Does anyone know the value, collectability age or info. on the company, etc. I'll attempt to post an image. Thanks.