Designed by graphic artist Cassandre, also known as Adolphe Jean Marie Mouron, Saint Laurent's interlocking logo has been synonymous with the house since its debut in 1961. 

• Enriched gold plated logo brooch embossed with a quilted texture
• Gold 
  
• Safety bar fastening
• Materials unknown - gold plated brass
• Back pitted 'YSL' cartouche
  
• Very good vintage condition
  
  

Measurements
Length: 2.16"
Width: 1.18"
Weight: 17g