This is a quality, shallow coolie shaped wire frame for making a  tailored soft bodied or pleated lampshade.
Base diameter 17” 
Vertical height 6”
Slope height 9 1/4”
Top diameter 2 1/4”
This has a fixing for a table/floor lamp and fits standard UK bulb holders (29mm).
Please note that these are vintage frames and have been stored a while so there may be a scuff/scrape here and there.