70's Case "Carolina Butterbean" Series?

[SOUTHERN WOODS]

Ran across one of these online a while back and wished I had bought it. I have seen some with different year dates engraved on back but does anyone happen to know how long the "Carolina Butterbean" series lasted?

 

[GlennH]

I dunno, but that kinda makes me hungry...

 

[meako]

Me neither but it sure butters my bean