A 1960 Franklin half dollar graded PR-67 in the new NGC holder attributing Tomaska die varieties. (Image courtesy NGC)
Numismatic Guaranty Corporation (NGC) is now attributing proof Franklin half dollars and proof Kennedy half dollars according to the die varieties cataloged by Rick Tomaska in Cameo and Brilliant Proof Coinage of the 1950 to 1970 Era, the firm announced May 12. Submitters can request the attribution for applicable coins through NGC’s VarietyPlus service
