1980's Marc D'Alcy of Paris Purple Paisley Parisian Silk Blouse.
This is such a great blouse and a shop fave. Made from a gorgeous silk patterned purple, green, red and blue paisley print with subtle hand sewn embellishments on the bodice.
The gorgeous mock neck is flanked by beautifully padded shoulders with balloon sleeves. The back is pleated at the top with five buttons. Tag says 10. 
Shoulder 17", bust 48", sleeve 24", waist 46", hips 44", length 27". 
Modern size is L/XL and condition is Excellent.

This item is sold from an excellent, highly rated vintage boutique.