Vintage Cobalt Blue Round Footed Vase with Flower Frog and Candle Insert

This is a striking vintage vase. Round, almost ball shaped, cobalt blue vase. The top is a clear glass flower frog with the center for a candle stick. Imagine the floral arrangement possibilities!  

This vintage vase stands about 4 1/4 inches tall and 4 inches wide. Unmarked. Nice, heavy glass. Striking color. Excellent condition.