I, personally, have never heard of that brand. But that don't mean much. I could find nothing in Anvils In America, with a quick run thru. But when I Googled it, this is all that I came up with. http://www.liveauctioneers.com/item/1368696 http://www.worthpoint.com/worthopedia/antique-anvil-black-prince-90-lbs-wrought
It says that it was sold thru Shapleigh Hardware in St Louis, Mo