Civil War Period 19th Century Compact Vest Pocket Glass Liquor Flask With Metal Cup (Shot Glass). A Civil War Officer’s best friend. High quality glass flask with metal screw top with matching metal cup for shots. A very scarce compact vest pocket version. A great set from the Civil War period. Excellent condition. 100% guaranteed to be authentic Gettysburg Museum certified, museum COA provided. Also note when browsing our web site there are several pages of items, at the bottom of the list look for other page numbers.