50cm x 50cm--20 x 20 inches Hand painted on either monofil or Penelope canvas

These geometric designs are from the “Empire”period early 19th century.
They are typically ornamented with olive leaves, from the Roman Empire period. For cushions. Colours: yellow golds and browns. Background colour: a dark bottle green, a dark crimson or a dark blue.

Monofil or penelope, what's the difference?