2 button closure, single vent. 

Brand:  Hickey-Freeman  
Item:  Blazer  
Style:  Suit Coat  
Size:  42 Regular
Material:  Wool 
Color:  Gray  
Condition:  gently pre-owned  
Country of Origin:  Unknown  
Chest:  42"  
Shoulder:  20"  
Sleeve:  25.5"  
Length:  32"  

Please email questions.  Thank you for your interest.  
We do combine shipping.  Have a great day!