Scanning electron microscopy of forged dots on 1936 Canadian coins.
D002170:Canada; D003300:Copper / Q000032:analysis; D003415:Crime; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009717:Numismatics; D014001:Tin / Q000032:analysis; D015032:Zinc / Q000032:analysis
D014001:Tin; D003300:Copper; D015032:Zinc