If you have an old Grey Poupon ad and wonder how old it is, here’s a hint: if it makes any mention of the classic “Pardon me…” line, it’s no older than 1981. That was the year Grey Poupon launched that iconic ad campaign with the most famous mustard TV commercial ever made. Here’s the original masterpiece: Grey Poupon “Pardon me…” Ad
As for the first color Grey Poupon print ad to appear in Gourmet Magazine, that may have been this ad, from October 1973.