It seems to be signed Timothy Ammitu. There is an Ammitu family from Povungnituk and this might be a younger member who is not yet on any artist...
https://en.wikipedia.org/wiki/420_(cannabis_culture)
Either Doug or, given the subject, Bong.
The work is titled Phryne by Gustave Boulanger which isin the collection of the Van Gogh Museum. The poster might be hard to find but is likely...
Most likely a reproduction given the dimensions. here is a link to an example of the original stonecut...
Purely decorative
The matador looks like it’s by A. Shoddy Workman ;-)
The 3D Jesus might suggest otherwise ;-)
Looks like Erte mixed with Patrick Nagel
I’m 99.9% certain that it is by Evelyn Dufour from Quebec
It’s a reproduction
When you see a printed signature and handwritten numbers, stay far far away.
There are a number to be found online with varying edition sizes which leads one to believe that they're all barely worth the paper they are...
BTW, the numbers on the back look more like framer's notes than anything related to auction houses.
It's a reproduction of Dali's "The Wailing Wall".
Is there a picture of the entire artwork?
It is some form of reproduction of an original artwork produced in such a large quantity as to make the value of the work less than that of the frame.
Alaska is outside my field of expertise but as has already been mentioned it is walrus ivory and baleen.
What do we get if it turns out to be something special?
Less of an addiction than a delusion perhaps…at least in this case.
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