My Bohemian History sydneyflapper:  earwigbiscuits:  Lady Diana Cooper, sometime in the mid-to-late 'teens when she was still Lady Diana Manners, dressed as Russia for charity.   Ah…possibly for one of the fundraisers for White Russian refugees fleeing the Revolution and Civil War?
{"Image Orientation": "Horizontal (normal)", "Image ExifOffset": "38", "EXIF ColorSpace": "sRGB"}