You can find the value of an Eibar Animo Express 12 gauge shotgun by taking the gun to an expert at a pawn shop or at a gun store. You can also find the value by searching websites like GunStar online.
Spain. Likely pre-Spanish Civil war.
Around the 500nzd mark
Value as a shooter. Find someone who collects this type and it may bring a small premium.
2012 remington express max
If this is a American Arms recent import shotgun from Spain,then the value would be between 400-500 dollars for a shotgun which is in pristine condition.If this is a older made Spanish shotgun,then I would need the makers name,overall condition and barrel length,to have any hopes of helping you.
The average price of a Remington 870 Express Magnum pump 12 gauge shotgun "brand new" is about 300-450 dollars. I got mine used for $250
Marixa is a Spanish brand. Elbur is probably Eibar, which is a town where a lot of Spanish guns are made. It could be worth several hundred dollars.
20 gauge
Depends on whether its a wingmaster model or an express model...wingmaster go for around $800 and express models go for about $600...
$200
Yes. The Mossberg 500A1 is a .12 gauge shotgun.
Yes, a 12 gauge shotgun is considered a firearm.