Three Cobalt Blue Paperweights

Someone from Asbury, New Jersey, bought three glass paperweights, all of which contain cobalt blue in them.

Cobalt Blue Paperweight with Light Blue/Green Swirls, Handmade Glass Paperweight,  

Cobalt Blue Paperweight: Handmade Glass Paperweight Containing a Cobalt Blue Spiral and Bubble On Top

Small Glass Paperweight with a Cobalt Blue Murrine 5 Point Star, Handmade Glass Paperweight