Wow, that darker colored Sunflush Whirlfoam sign is one I've never seen!! Awesome!
Jim, I posted on the yellow Sunflush here.
http://www.oldgas.com/forum/ubbthreads.php?ubb=showflat&Number=634934From the picture looks to be 20's?
The only thing I have on Whirlfoam is this, which is of course a different sign and I think this style station from the 40's? I would think Rob's sign is of course older.
Sweet Mobilgas Ethyl globe!!