planchet
1. planchet counter
圆板计数器
2. Any of a limited number of newly minted coins or medals struck as specimens and for collectors from a new die on a polished planchet.
新铸币样各种被作为标本新铸成的有限数量的钱币或金属,收集者们在光滑的硬币坯上涂上一层新色而锤炼
3. planchet casting
模板铸件