It's Canadian. It doesn't look exactly like anything else from the time, and doesn't resemble the European Philips sets from that period either. Philips didn't sell TVs in the US during that time period, so this would have been a Canadian one-off. Curious!
TV broadcasts didn't start until about 1952 in Canada so I think the 1949 claim may be bogus.
ETA there's a guy on
ARF who has a bunch of Canadian service data from this era, you might reach out to him.