Help identify the author's picture
 

Painting pre-written 1780-1860gg in Kharkiv, Poltava province, once-measures 450h360.
When I gave her she was black, but for 3 months on it appeared the image of girls (nuns) with a book.
Thank you in advance for your help.
Вложение 119635

misto, your link does not work

Everything works, I corrected.

I apologize, I just send a picture first time spend 3
hours.
Thank you all for your help.

misto, and from what ssostoit your great picture? Canvas or wood?
Oil-Paint? As they emerged, at once or gradually over 3 months?
  This is not a nun, and perhaps Mary Magdalene.
And where the information is written 1780-1860gg in Poltava province?

Dear redbor, prnadlezhala picture of my great-great-grandmother. She lived in Sumy county. The picture has a date 18 (6?) 48
September 1 st eto.Holst, paints do not know kakie.Obraz every day becomes lighter and pages of the book have already appeared.
Thank you for your attention.

misto, let's wait until the signature appears! Already tremble ...

A signature is not visible and is unlikely to be, maybe someone you have other suggestions?

Two images

misto, refer to your private messages