Do you think this coin has a rotation error

This iranian 2 rial coin has coin allignment

Picture of both sides of the coin:

:

No, an off-set of 45°!

Thank you, bur do you mind explaining the difference

45° off-set rotation error.

Rotation errors occur when the images on the obverse and reverse dies are turned from the normal positions such as when the reverse image is at a right angle to the obverse. 

Thank you very much all of you who have replied 

One further explanation, since the off-set can be to either side of the vertical axis of the coin in question:

thank you Sjoelund for the further explanation