It is possibly Icelandic but I can only find it in one place with no name or explanation. Similar to a helm of awe but with an A in the middle and the ends are alternating circles and crescents.
The A enclosed in a circle is the symbol for Anarchy.
Anarchy is the state of a society being freely constituted without authorities or a governing body. It may also refer to a society or group of people that totally rejects a set hierarchy.Wikipedia on Anarchy(It is a little more complicated than the quote text says but you get the idea).
The circle with stripes is the alchemical symbol for copper and Venus. Copper was associated with the planet Venus by alchemists. In our modern world this symbol is a symbol to denote the female sex.
The crescent moon is a notable symbol of Islam (although there are disagreements by a growing group of modern Islamic scholars) but is actually more notable as the symbol of the Ottoman Empire following the conquest/fall of Constantinople in 1453. .
The other crescent moon is the alchemical symbol for silver and The Moon