Infantry square backpack. Genuine or not??

[Xperia]

Hi,

I need help to determine if this backpack is a genuine piece?! And if so, what is a fair price for a backpack like this?!

Regards,
Roger

[Xperia]

More photos!

[Xperia]

Last photo!

[Gran Sasso]

Period - but civilian. Could have been used in any party organisation though.