It looks maybe 16th Century given the limited colour range (most didn't have access to a broad colour palette at that time). But you'd have to take it to an expert to age as they would look at the weave etc. Have you had it out of the frame? Many were signed... although if it's ancient it could be fragile.
No, been in its frame since I got it. It was my Mums and she had it for yonks, though I dont know where she got it. I did look at getting it assessed but didnt find anyone online search I thought was suitable.