Before we proceed to the colour photographs, permit me to show you an older photograph which will allow you a bit better view of some of the figurative details.
Here is a view of the lamp taken from the narthex. One can see how well it meshes with the otherwise gothic revival interior.
(Detail: Image source)
Finally, here is a colour view of the lamp in closer detail:
Incidentally, Covenant Church also offers an online tour of its series of Tiffany windows, some of which we have featured here within the context of our Other Modern series before. You can see the tour here: http://www.cotcbos.org/tiffany-windows-tour.html