Vintage island map print pure silk short cheapest sleeve blouse top

Vintage island map print pure silk short sleeve blouse top. Back buttons, no lining.
Material is cheapest pure silk.

Tag: BETTY BARCLAY Size 42 / F 44 / I 48 / GB 16

Fits like size L, also looks good as oversized.
Measured laying flat, double for circumference:
23'' / 58 cm long
22'' / 56 cm armpit to armpit
20'' / 51 cm waist (stretchy)
17.5'' / 45 cm shoulders seam to seam
10'' / 25 cm sleeve length

Great vintage condition.