This is a Harry Carson autograph.

It is on a 3x5 unlined index card. The backside is lined

The signature is in black felt pen. It is a clean autograph with no skips or smears.

The autograph is authenticated by Certified Authentication Services (CAS). CAS is headed by a former Senior authenticator for 2 of the top services in the industry. There is a numbered sticker on the item with a matching card. The id number can be verified at their website: S026888