This is a pretty picot edge vintage braid with centre strip/core that was manufactured in now ceased textile factories & mills of Derbyshire/Nottinghamshire. 
It was specifically made for lampshade makers though can be used for other soft furnishings, clothing and crafts.
Length: 1 metre
Width: 
10mm (dusky pink, dusky peach, gold, dusky teal)
12mm (rose pink and white)
Sold in 1m lengths.
Continuous length for purchases of more than 1m.