Swedish lounge chair - help to identify...  

Here are some photos of a chair that I'm trying to identify. It has somewhat of an early mid-century look, but I don't know much about it other than I got it from my grandmother, who got it from a friend of hers..
Underneath the chair, it clearly says "made in Sweden". And there's an insignia that looks to be an "M" and an "S" superimposed on each other, but it's faded. Perhaps the "M" could actually be two "A"s side-by-side? There is also the number "447", which I assume would be the model number. It appears to have silk upholstery.
Any ideas on the identity? Many thanks.
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