Here is a sample of the note card backs.

Creating this thumbnail insert for a boxed set of note cards, by recently deceased, celebrity artist, James Best (of Dukes of Hazzard fame).

His wife, Dorothy, is offering these for sale on his website, under the "Prints" link. 

Working on proofing for prints, this 18 x 24 ink & watercolor on illustration board, by artist, Matthew Thomas, entitled "Music, It's in Our Roots."  Matthew created this work for the George Rodrigue, 2015 college scholarship competition, prior to graduating from H.L. Bourgeois High School, in Gray, Louisiana.