In the Esc inventory menu (not the q inventory menu), the name/description tag that appears when you hover over an item doesn’t disappear when you right click the item, causing multiple tags to be drawn and stacked on top of each other.
Right click on a sellable item in the Esc inventory menu. Happens most of the time, but not all the time.
The tag disappears on right click, or disappears when the sell dialog disappears.
The tag persists, causing multiple tags to be drawn on top of each other.