This pattern appears in DMC Ladieswear Crochet Pattern Leaflet 14967L which has 4 designs: Lace Dress, Lace Vest Top, Ladies Sleeveless Top and Lace Stripe Bolero. It is available from DMC (UK) stockists.

Lace Stripe Bolero is worked in one piece from cuff to cuff and has wide dolman sleeves with a shawl collar. The lace stripe pattern is made from double treble clusters (US: treble clusters and trebles (US: double crochet).

Gauge: 24 sts (4 leaf pairs) and 12 rows (2 pattern repeats) to 10cm (4in) measured over lace stripe pattern.

Please report any errata to DMC.