Ramsey & Muspratt

I went in search this morning of my Ramsey & Muspratt photographs and discovered in my filing cabinet a cache of photographs which I inherited when my mother died and which look very much as if they came from her bottom drawer.   Apart from a photograph of me as Lady Macbeth, I did discover a photograph of my grandfather which, from the inscription on the back, looks as if it was sent out in his memory after his death.   Is it by Lettice Ramsey ?  I don’t have a good enough sense of their style to know for sure.   Looks like it was shot in natural daylight, but it’s definitely a studio photograph and would have been taken in Cambridge.   Incredibly sharp focus on the eyes and tie:-