Fighting Jokers with Guns

 These jokers are fighters, armed with firearms.  There are over two dozen of them.

The first one is Picket by the US Playing Card Company.  Copyright 1917, it is listed a US30a Picket #515 in The Hochman Encyclopedia of Playing Cards. 

Here is the complete collection of fighters with firearms.

Here is the whole suite of articles about jokers who are fighters.

Fighters with swords. Or spears, daggers, clubs, or no weapons  
Money bags jokers. ie Fighters with swords and bags of money
Fighters with halbards (long poles which have sharp points and a hook for pulling horsemen off their horse)
Archers and pairs of fighters where one is an archer
Fighters with guns. - THIS article