1970 Topps #468 Jerry Koosman Original Reverse Artwork

Here’s the original baseball card reverse artwork for Jerry Koosman’s 1970 Topps The Sporting News All-Star card #468.

It was described in Ron Oser Enterprises’ December 2000 catalog as an approximately 5” x 7” pen-and-ink artwork.

Here’s an example of a final production card (via PWCC).