Holland also acquired Scott in the mid-80's, producing Scott-made boxlocks marked Holland. That might be confusing to those without some knowledge of the British gun trade, but it was certainly well-known at the time that those boxlock Hollands were actually Scotts. Much as a Browning Citori is actually a Miroku.

I once saw a 28ga Hellis with correct British proofmarks which I'm pretty sure was Spanish. Dated from the 1980's, if I recall correctly.