This is a genuine piece of 1960s teenage fashion

Bought in 1965/66 for a special occasion

Devonshire Miss 
- the junior/teenage branch of Devonshire Lady

Made almost certainly of wool
Charcoal grey / black

 "Square" Quant style jacket 
21 inches long
"A" line skirt 
21 inches long

contrasting Peter Pan collar
matching vent in front of the skirt

Jacket has button fastening
(I think there may have been originally a second row of  dummy buttons)
press stud at top under collar 

Skirt has original zip and hook

Measurements
Label says size 11
and gives bust and hip measurements - see photos
Waist is only 26 inches 

So size 8 - 10

Condition
Amazing - excellent condition
no holes or snags

only the buttons not original - changed ages ago