Vintage Estée Lauder Blush All Day Duo compact

Found a unique gem in our shopogolics estate sale. She loved Estée Lauder and collected it for years. A unique circular plastic Blush All Day natural cheek colour duo powder compact in vintage Estee blue. It is unboxed but in perfect unused condition! Comes with original brush still with plastic and in colours 20 mocha rose and 23 plum. Batch number is K52