Lacy round white doily.

Pattern 8 in Magic Crochet.
Pattern 8, Cobweb, in Crochet Monthly, #31.
Pattern 8, Filigrane, in Crochet d’Art.

Pattern includes chain stitches, double crochet, double treble, triple treble, quadruple treble and quintuple treble stitches for a total of 25 rows.