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side 1 of blue capped tube of 2H: "Conté"

side 2 of green capped tubeof 2H: "Criterium"  

Criterium Lead

Blanzy-Conté-Gilbert, France

lead type
lead size
available degrees/colors
package quantity
package composition
production date
origin
graphite
2 mm
18 degrees: 6B to 10H
6
plastic tube
1960 to (1980s)
France
  
see also Criterium Leadholder
 
Gilbert & Blanzy Poure 7657 Bleu Gilbert & Blanzy Poure 7605 Bleu
   

Gilbert Criterium Colored Lead 7605 & 7657

Gilbert & Blanzy-Poure, France

lead type
lead size
available degrees/colors
package quantity
package composition
production date
origin
colored
2 mm
blue, red, (full range unknown)
6
paperboard box
1950s
France
  
see also Criterium Leadholder
side of lead tube "Criterium" - opposite side "Gilbert"  

Criterium Colored Lead

Gilbert & Blanzy-Poure, France

lead type
lead size
available degrees/colors
package quantity
package composition
production date
origin
colored
2 mm
blue, red, (full range unknown)
6
plastic tube
late 1950s to 1960
France
  
see also Criterium Leadholder