Large Old Green Glass Demijohn Carboy. Up for sale is this wonderful old green blown Demijohn, Carboy bottle.This large bottle measures 30 inches high and 14 inches at its widest. The item "Large Old Green Glass Demijohn Carboy" is in sale since Monday, January 27, 2020. This item is in the category "Collectibles\Bottles & Insulators\Bottles\Modern (1900-Now)\Wine". The seller is "antiqueadvisory" and is located in Stouffville, ON. This item can be shipped worldwide.