Product Placement Blog ➞ Clothing & OutfitsRalph Lauren Plaid Shirt Worn by Jason Alexander as George Costanza in Seinfeld Season 9 Episode 5 “The Junk Mail” (1997)December 14, 2019 Sergey TV Show Hi! On Saturday, December 14, I analyzed a TV Show and product placement was spotted: Ralph Lauren Plaid Shirt Worn by Jason Alexander as George Costanza in Seinfeld Season 9 Episode 5 “The Junk Mail” (1997). Here are 3 image(s) below: