Some new elements.Upon very close examination there appears a cds cancel. A is the date(some Numbers visible);B the inner part of the cancel.
The circular 3 bar cancels are perhaps of the mute type.
Austria did use mute or "dumb" cancels in 1914.These were used as a means of concealing the letters town of origin .Russian mute cancels abound,and more than 600 types are known.Again used to conceal the
letters origin.Whether some postal clerk just made up a temporary cork cancel in some remote place is an open question.
The Soldier Charity stqmp has a value of "2";I don't know what that would correspond to.

There is also another small roundish marking;but I can't tell if there is a numeral or something inside.I don't think it's a bar type.Below;
