1970s Silver Lamè and Black Ribbed Knit Polo Neck Jumper

True Vintage Stretchy Knit Pull On Jumper. 
In good vintage condition. 
Small repair right arm. Not noticeable.
Made in Britain for " Dorothy Perkins". 
Lightweight acrylic and viscose fabric mix. 
Fine silver lame thread throughout, close ribbed texture. 
Large polo neck collar. 
Labelled as Medium ( vintage sizing)
Approx Size: UK 8 
Measurements Laid Flat:
Pit to Pit: unstretched 16"
Bust: 16"
Length from collar: 20.5"