Are you referring to his avatar Cent? It's 1998 Here is what he has Struck Through Die Fill: Grease Mold Doubling I want to share this webpage with you - http://www.error-ref.com/grease-mold-doubling/
Ah... you edited; thank you! Aside from not being a doubled die, I couldn't remember the proper terminology and really didn't want to search it out.