[lambda symbol]. Button.

https://collections.arquives.ca/en/permalink/artifacts8475
Collection
Artifacts
Material
2 buttons : metal, col. 3 cm in diam
  1 image  
Collection
Artifacts
Primary Object Term
Button
Description
White Lambda symbol on a pink background in a blue circle
Material
2 buttons : metal, col. 3 cm in diam
Catalogue Number
CB1906
Condition
Good
Copies
2
Description Level
Item
Accession Number
1988-054/03
Images
Less detail