Banners behind glass will have the colored part of the banner in front of the glass texture. This bug works for all types of glass and banners. This bug is only visual.

Steps to Reproduce:

1. Place a banner behind glass of any type.
2. Angle the camera in a way where the glass texture aligns with the banner while still having the glass in front of the banner.

Observed Results:
The banners texture will always be over the glass no matter the glass type or banner color.

Expected Results:

The banners texture should be visible over the glass texture. 

Screenshots/Videos attached: 

There are two pictures of the bug in action below.