Four Art Glass Paperweights

Comprising a black flat glass paperweight with white enamel (possibly Mary Gregory), unmarked, approx. 1/2 in. H., 4 1/8 in. L., 2 3/8 in. W.; a clear glass paperweight with sulfide pictures on front and back (possibly Baccarat), unmarked, 2 1/4 in. H., 2 1/4 in. L., approx. 1 1/2 in. W.; a white and orange confetti style art glass paperweight with a penny sealed inside, 2 14 in. H., 2 1/2 in. Diam.; and a blue and white confetti style art glass paperweight, 2 1/2 in. H., 2 3/8 in. Diam.
Condition: Minor chips on bottom of blue and white glass; minor chips to side of flat paperweight; minor chips to exterior of sulfide glass