The is a lovely Poole freeform shape 720 vase in the PV  or starburst pattern and was produced in 1956 or 1957. Shape 720 are relatively uncommon, stand 9 inches tall and are a great 1950s design.
 
The vase was painted by Diane  Holloway and is in stunning condition with no chips, cracks or restoration - and is is alsolutely clean inside. There is very slight smudge from the painting that you can see in picture 4 and a slight stain on the footrim below this.