FRANK LYMAN Short Sleeve Top Blouse Floral Cowl Neck Ruched Sides Size 10?

This pretty FRANK LYMAN Design floral cowl neck top is in very nice pre-owned condition!  Material tag is missing.  Most likely a blend of polyester and spandex.     Size tag is missing therefor, please consider the following measurements before purchasing.  Thank you! Measurements (taken while laying flat): Bust (armpit to armpit) - 18"                                  Length (top of shoulder to end of hem) - 26"