Filet picture of sailing ship. Cordonnet crochet thread size 5, steel crochet hook US size 11
For a curtain 20.75 x 22”, use size 10 and a 7/1.5 mm hook.

Intermediate.

Pattern 25, pg 46 of Decorative Crochet.
Called “Caravelle” in 1000 Mailles.
Shown with tabs and fringe in Hækling #15, pattern 5, Skib, on p. 21. Shown as wallhanging, French name is Panneau decoratif