Rampage, Vintage, black & white, sleeveless, wrap, buttoned blouse, Size: 3?

Rampage, Vintage, black & white, sleeveless, wrap, buttoned blouse, with pointed collar and tie-up back (to create a flattering waistline.) Size: 3? (I believe but see measurements.) I believe I purchased this in the 90s. 100% Rayon Made in USA! Care tag says dry clean only. I have machine washed this many times, with no adverse results. Extra white button sewn on inside seam. MEASUREMENTS PIT TO PIT: APPX 15" SHOULDER TO HEM: APPX 24" (REAR) AND 24-26" (FRONT)