I've included a selection of stranded cotton floss, which you can select from, or use others that you may have.
Vintage Irish Linen Crinoline Lady Cushion Cover to Embroider + Threads - No 2
Vintage Irish Linen 2 Chair Back Ready to Embroider -
Vintage Irish Linen Basket of Tulips Tray Cloth to Embroider + Threads - No 3
Vintage Irish Linen Embossed Embroidery Cloth Society Art Needlework & threads
Vintage Cheval Set Irish Linen with Poppies & Cornflowers Embroidery Design
VINTAGE STAMPED IRISH LINEN DUCHESSE SET (1950s floral design)