Vincent Price Presents the Agatha Christie Collection
My guess is that this commercial dates from the very late 70s or early 80s — I tend to associate Vincent Price more with the horror than the mystery genre although there is a bit of an overlap. By the way it should be noted that the Franklin Library wasn’t a serious book publisher but an arm of the Franklin Mint which was more in the business of selling collectables than literature. From my own point of view these ornately bound books lack the charm that one would find in the cover illustration of low brow mystery paperback.
Update: Nick Kent has pointed out to me the missing Vincent Price mystery connection! Price was host of the PBS series Mystery in the 80s: