Or just rare outside of Canada?
Obviously it's a GE 10" internally.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2187482643&category=3638

In some cases that I have noticed, Marconi's were rebadged Emersons. The Emerson portable that you show on your site, is one of the models that I have seen with the Marconi name plate on it on this side of the border. I'm not sure when the Marconi brand stopped.

Eric
Tweed, ON
(where the lights are finally back on after 9 hours!)