Metal Flak

[REMUS]

Hi everyone,

I don't know if this is the right place to post this,but I'll try it anyway.I bought this a few years ago on a flea market,and I was wondering what value it has.I am going to sell it,so that's why I ask.It is well detailed,and it weighs about 4 pounds.There is a little piece of red plastic in the front of the barrel.I would like to sell the photos with it.I bought them all as original,but can't say if they are,they do look original though.
Thanks in advance for any help,
kind regards,Jeremy

[REMUS]

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[Philipson]

I know an English toymaker made a metal Flak in the sixties.
Maybe this is one of those?

[Adam S.]

Any maker marks on the bottom or anything? I imagine you could get a couple of hundred for it?

[Marc Garlasco]

Does it fire?