Related Clues:
- 1943 penny metal
- Kind of stamp
- __ drum
- Type of drum or guitar
- Drum or guitar type
- Pittsburgh product, historically
- Source of J.P. Morgan's fortune
- Product of the Bessemer process
- Construction metal
- Mettle or metal
- Many a shipment to Detroit
- Piano wire material
- Carnegie haul?
- Toughness of nerve
- 'Stainless' metal