On page 32 of Beehive Baby Book SC50, with full name This Coat has Ribbed Round Yoke.

Called In Simple All-over Pattern in the leaflet, and illustrated at bottom right on its cover.

Measurements
To fit 17-19, 19-21 inch chest
Length from shoulder to lower edge 10½, 10½ ins.
Sleeve seam 5, 5½ ins.

Materials
4, 4 oz. Patons Quickerknit Baby Wool, Patonised.
Two buttons.