Nice one, Paul.I picked up this estate prince.
It comes with 2 stems a vulcanite one and an acrylic one.They actually look decent to me
I figure I can drill the stem out if the draw is restricted as it doesnt use the horrible screw in push/pull tenon
I dont know the maker and there doesnt appear to be any clues from the pictures
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I’d stick a dri-kule or philt pad in there before I’d reach for a drill though.