Name: unnamed jeweler
First Appearance: Detective Comics (vol. 1) #332 (Oct. 1964): "The Joker's Last Laugh!"
Number of Appearances: 1
Employer: The Red Ruby
An unnamed jeweler was seen in panel 1 on page 2 of this story. The narrative caption reads: "At the grand opening of the Red Ruby, a new-style jewelery store in Gotham City . . ."
The unnamed jeweler is seen explaining the nature of the store to a wealthy woman wearing expensive furs. The man is a thin, well-dressed gentleman with a moustache. He tells the woman, "Yes, this is a specialty shop, Madam. Our establishment sells nothing but rubies -- the biggest, best and most extraordinary rubies in the world!"
The Joker's broad daylight robbery of this ruby store is featured on pages 2 through 4 of this story.