As far as I remember it cost around £2000 28 years ago! The skirt is a 38 and the jacket is a 40 (EU sizes) It has been used infrequently between the years 1988-1992, but I haven't used it since then, it's in excellent condition and still looks fantastic.
(Size: S (Jacke: Schulterweite 36) simple cm chest 43 cm length 54 cm skirt: waist easy 34 cm length 55 cm). Designer costume by. Material: genuine suede. Pattern: Patchwork. Genuine suede. Jacket with zipper front and zipper pockets.
Jacket is an S so my guess would be a 10 the same as the Skirt (10). Soft leather ladies suit. Skirts waistband across the front is about 31cm it has a zip and press stud closure, jacket has press studs to close.