A Vintage Pair of Blue Decanters

These Pair Have A Fantastic Blue Colour, I Think Bristol Blue And From The Bottom To Just Under Halfway Up Decanter Is A Ribbed Or Stepped Design In The Glass.
The Blue Is Then Set Off With The Clear Foot And Clear Glass Stopper.
Each Decanter Measures Approx 24cm High X 7cm Across Foot And Widest Part Of Decanter Is Middle Section Which Is Approx 10cm Across.