A vintage knitting pattern for two toddlers helmets suitable for ages 18 months to 3 years of age,

For boy or girl, they are both simple and quick to knit,
Original yarn: Sirdar Double Knitting with a tension of 6 sts and 8 rows to 1" over the ridge pattern,
Helmet with garter stitch ridges: one size 14" all round face edge unstretched,
Stocking stitch helmet with ribbed panel: 15.5" all round face edge,
Circa 1950s60s,
The leaflet has a little creasing and fading, but overall fair vintage condition.