Unmarked that I can see. I dont know the exact name of the color, please see pics and judge for yourself. The Blenko 920 and Pilgrim 23 decanters look real similar, I dont know how to tell them apart but another ebayer said the stopper design is Pilgrim. Please see pics and decide for yourself. No chips, No cracks, no cloudiness. The item “920 Blenko 23 Pilgrim GREEN CRACKLE Art Glass Large 18 DECANTER Bottle Stopper” is in sale since Sunday, January 3, 2021. This item is in the category “Pottery & Glass\Glass\Art Glass\North American\Blenko”. The seller is “utestuff19″ and is located in Rockford, Illinois. This item can be shipped worldwide.