Diamonds;
DIAMOND GRID (AKA)
• AKA:
Heisey, A. H. and Company (Newark-OH, Operated: 1896-1957), Introduced: Unknown Date
• John Pfaff 2020: Clarence Vogel gave this an unknown number designation 7052. Marked Heisey
• Motifs: (Diamonds), (Triangle), (Diamond Point)