It's not common, but occasionally you may find a burner in it's original box, or possibly just find the box by itself. Regardless, it's a great find!

This is a box from an AURORA #2 Glass Cone burner.

Here's a #3 LEADER burner in unused condition, unfortunately the box is quite worn.

Here's a box and burner, the ELDORADO, from the WBG Co.

A Plume & Atwood DUPLEX burner and box in fair condition.

The BING glass cone burner with it's box.

Here is the RADIANT burner, another glass cone burner.