This pretty edging can be found in Lily No 58: Edgings Crocheted Tatted
The booklet, by the Lily Mills Company contains patterns by unknown designers and is unfortunately out of print, but the wonderful Teri Dusenbury has made the tatting-related pages available for all.
Copyright: Active 1930-1960?
Designed By: Lily Mills Company
Direct Link: http://teritatbitdusenbury.files.wordpress.com/2010/03/tatting-tatbit-tattersarchive-edgings-lily58.pdf