This is an interesting one! My first thought - this is the type of hat that goes with a traditional men's outfit of Tirol, which is a region of Austria. However, the maker of the hat was Anton Pichler, and he was in Graz - which is one of the larger cities in Austria. But Graz is not Tirol, but in Steiermark. Totally different region. Looks like your hat was probably more of a Steirerhut - a traditional hat from Steiermark. Check this out - image search for "Steirerhut":
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https://www.google.at/search?q=steirerhut&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwi_7ZHO3OfYAhVDeKwKHTpzBF4QsAQIMg&biw=1536&bih=734
A Google search for Anton Pichler turned up this - Josef Pichler & Söhne (Josef Pichler & Sons), a hat manufacturer in Graz - here's the German Wikipedia entry:
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https://de.wikipedia.org/wiki/Josef_Pichler_%26_S%C3%B6hne
Well, it seems the company was quite successful, and even furnished royalty and nobility with hats. And one of Josef's sons was called Anton, and he was in the hat business as well. This article also talks about the company history only up until the 1940s.
However, you might find this link even more interesting - it has old ads and newspaper articles, as well as lots of examples of hats both with the Josef Pichler and Anton Pichler labels (similar to the one in your hat):
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http://germanaustrianhats.invisionzone.com/index.php?/topic/25-anton-pichler-hutfabrik-josef-pitchler-sohne/
The post also shows hats that are dated to the 50s and 60s, indicating that the company existed longer than the Wikipedia entry suggests. Have a look through - it even shows Edward VII wearing an Anton Pichler hat! Maybe someone on that forum could give you more information on your hat, also regarding it's age.
The site also shows hats where it seems the hat shop which sold it had it's name embossed inside - which may be Hans Mariacher (I think that's the correct spelling) of St. Johann.
I can also see several Anton Pichler hats being offered on German Ebay (ebay.de).
I can see that the last label says "Qualität - Wolle" so the quality/material is wool, but I cannot read what the rest of the label says - can you maybe post a clearer photo?