Pressed Glass Knob Set with Brass Rosettes and Contempoary Tube Latch ca. mid-1800s (1840-1940)

Here is an easy-to-install passage set comprising pressed glass knobs, brass rosettes, and a contemporary tube latch. The set also includes a strike plate and mounting screws (not shown). 

The tube latch can be replaced by a small mortise latch (add $20) or a medium mortise lock & strike plate (add $40) and a key (add $30) for the medium mortise lock's deadbolt, if required.