Product Placement Blog ➞ BeltsSalvatore Ferragamo Belt Worn by David Costabile (Mike Wagner) in Billions – Season 4, Episode 12, Extreme Sandbox (2019)June 10, 2019 Sergey TV Show Hi! On Monday, June 10, I analyzed a TV Show and product placement was spotted: Salvatore Ferragamo Belt Worn by David Costabile (Mike Wagner) in Billions – Season 4, Episode 12, Extreme Sandbox (2019).Here are 1 image(s) below: