Thank you for the additional clues, otherworldlystuff! The seams are serged. The bust is lined with what seems to me cotton fabric and it's boned, it has a panty that is attached to the bodice with a strip of elastic one each side. I just took a pic of the garment tag and the hang tag as well. How do I attach those? I have them saved as jpg on my computer now. The inside swimsuit tag(s) read: "Irish Linen. Limited Edition by ROSE MARIE REID. 1187 STYLE 992-11 SIZE 15/38" The cover-up tags ar the same, but the style/size one reads: "1172 STYLE 782-11 SIZE M" The hang tag reads (outside both sides): "FOR THE ONE WOMAN IN 10,000... A Limited Edition ROSE MARIE REID" (inside left): "... AN ORIGINAL CROWN JEWEL OF THE SEA FROM THE RENOWNED Limited Editions COLLECTION... A TRULYU UNUSUAL SWIMSUIT DESIGNED TO CREATE THAT ARCH DELIGHT OF THE FASHIONABLE WOMAN... THE PERFECT EXPRESSION OF YOUR OWN FINE TASTE IN THE EXQUISITE. THE IMAGINATIVE. THE INIMITABLE." (inside right): "ROSE MARIE REID To preserve the luxury of your Limited Edition, launder in Lastic-Life."