Neat little coin purse. When casting on you might want to cast onto two needles so the base stitches are very loose for sewing together later. One size but could probable be sized up for a larger one. Cable knit coin purse

Size 3 dpns
Cable needle
2 stitch markers
Tapestry needle
Button

Co-cast on
K-knit
P-purl
Pm-place marker
Sm-slip marker
Cbl2f-slip 2 onto cable needle, knit 2, pass 2 back to left needle, knit 2
Bo-bind off
K2tog-knit two together
P2tog-purl two together