Beaded lace evening bag

[littlesistersvintage]

Could anyone help me date this bag? I would also like to know if there is a way of cleaning the lace and weather or not it is worth doing so. No labels.
**Edited by Admin** Your pictures are too large.
Please reduce them in size and re-post. Thank you**

 

[themerchantsofvintage]

Would it be possible to crop your photos to about 500 pixels across? They are quite big. Thank you.