Marked on the bottom with a M and a circle around it. Marked on the bottom with MADE IN USA. All bottles are empty. From my personal Cobalt glass bottle collection.
Vintage LOT 2 Cobalt Blue Glass Medicine Bottles with Corks and a Aluminum Top
Vintage LOT 2 Cobalt Blue Glass Medicine Square Bottles
4 Pieces Job Lot Vintage Green Wedgwood Jasperware Trinket Box Pots & Vase Lot 4
Lot 4 Blue & White Chinoiserie Ceramic Decorative Balls Cobalt Porcelain Carpet
VINTAGE LOT OF 5 COBALT BLUE GLASS COLLECTIBES, ASHTRAYS CREAMER & D (EZS002532)