Blunderbuss with Cork Mail markings

[fernando]

Originally Posted by Jim McDougall

... It would be great to see some examples of these 'coach guns'...

Interesting question, Jim, starting by sorting it by either typology or coloquial terms ... or even by period.

What is precisely a coach gun ?
Does a coach gun have to be the blunderbuss type ?
Do navy blunderbusses have something to distinguish them from those used in coaches ... or those used afoot ... let alone the bronze barrel version ?

How would you classsify the following examples ?

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