eBay
Brand New. Sells for $5195 +  tax in store (you save over $1700!). 

Measurements 
  • chest: 68cm (26.8 inches)
  • coat length: 97cm (38 inches) 
  • sleeve length: 67cm (26.4 inches)
In perfect, new condition. Comes in Loro Piana cloth bag. Bought last year, not worn. Original receipt available upon purchase. Size 50 (Italian). Made in Italy. 

From product website:

Refined, elegant coat with martingale in cashmere fabric treated with Storm System for a waterproof, wind-resistant finish. 
A versatile three in one: the detachable inner vest can also be worn alone. 

Details:
  • A long version of the Roadster Jacket, created to celebrate the 75th Villa D'Este Concorso di Eleganza featuring the world's most beautiful vintage cars, and designed to deliver the utmost driving comfort 
  • Dual fastening with zip and buttons 
  • Adjustable martingale with two buttons 
  • Pleats behind the sleeves 
  • Welt pockets on chest and pockets at base with flaps that can be hidden in external seams 
  • Single welt zip pocket on inside right - Cell phone pocket with anti-radiation lining on inside left
  • The inner vest is smooth on one side and diamond quilter on the other, with collar in rib-knit cashmere and diagonal pockets
  • Length: 97cm - Composition - shell: 100% cashmere 
  • Composition 
    • lining: 100% polyester 
    • Filling: 100% polyester 
    • Vest: 80% polyester 20% polyurethane 
    • Vest - collar: 100% cashmere 
    • Trim: 100% suede (goatskin) 
    • Care and Maintenance: dry clean carefully with hydrocarbons. Clean separately inside out. Warm iron 
  • Product code: FAE1126 - Color code: W000 - Navy Blue