Colt Pocket Hammerless 1903

An older personal project of mine that I decided to make a small environment and publish it. The Colt Pocket Hammerless is a small .32 acp automatic handgun popular throughout the 1910s and beyond, it's development eventually lead to the design of the Colt M1911.
I decided on making a small Private Eye/Detective noir scene to add some character to it.
As always, easter eggs abound, can you find all of them?