Artisan Modernist Pin Architectural Stacked Staggered Tubes Large CZ Focal

What a statement this pin makes - modernist architectural style with stacked staggered gold tone square tubes enhanced with very large sparkling CZ

• Unmarked as to maker or metal - from living estate of artist who bought often from fellow artists
  
• Approx 3" wide X 1 7/8"
• CZ Focal approx 3/4" diameter
• Fine condition from estate with some light scratch noted 
  
• 2 Pin closure
• It has not been cleaned polished after estate arrival
• Mails in padded envelope, jewelry box