Ivan,

if you should find a good used double trigger AYA 4, 400 or a 4/53 in the European theatre, you should jump at it.

Currently, I own a cased AYA 400E, 12 bore, circa 1961 that does all a field gun should do. It swings well, points and shoots like a good Spanish attempt at a British field gun

In my opinion, they are greatly under valued at this time...