For your consideration is this stunning cobalt blue carnival glass mug made by Dugan Glass Works in the Beaded Shell pattern.  The mug is 3 ¾” tall and 4” wide from cup rim to handle tip.  The iridescent carnival treatment is strong and without thin spots.  This is a scarce color in fine condition with no nicks, chips, cracks or stains.  There is on very slight dip from original manufacture, and the iridescent overlay is even through tiny spot.  This is a buy it now offering.  Thanks for looking and please email if you have any questions.