Around the turn of the century, Greener also offered the Monarch model. It seems to have Baker ejectors, but at the moment I cannot remember the mechanical differences from the others. This is a 16 gauge Monarch Imperial, a 70 Guinea gun at the time. Whitworth Fluid Steel barrels.
[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]