Yes it is, to me the bowl looks ceramic, and I infer that they followed the same way as Old Spice did with their shaving mugs, first ones were ceramic then they moved to milk glass that is cheaper to produce in high volumes... Perhaps the pottery bowl was just a prototype for marketing and they never sold one... Hopefully someone with more info will enlighthen us...That's an advert from the U.K. The brand had a much wider line back then. Deodorant, talc, pre-shave...you can see the toilet soap in the background. The bowl looks to be wooden. Perhaps not many survived. The brand may also not have had much distribution beyond Europe at that time.