Royal Hem is one of the brands of an Italian fashion conglomerate, the Copen Group. They also own Beverly Hills Polo Club (yes, the terrible TJ Maxx or wherever brand) and a brand called Pennesi.
I picked up a Pennesi jacket when Daffy's was going out of business and I love it. Similar maker tag, but I've never figured out if it was produced by someone more well-known.
Most of the stuff I've seen from Royal Hem has been on Yoox, but it seems pretty good for...