I think that the cross lying on the ground - a symbol of the fact that the Greek-Christian is killed in the fight against the infidels. Based on the story, I think the thing belongs to the beginning of 1820. In any case, no later than 1824-1825.

What price?

 
Age tapestry on the picture is not set, you can only relate the story in time ... But this does not mean the authenticity of things.
In my opinion, your item may not be expensive, roughly.
By the way, the edges of a tapestry properly sealed? Are there any signs that this piece?

See all the edges is not possible to hermetically sealed.

This work could cost dearly if you set someone on it izobrazhen.Mne think it's kind of a real event involving specific people. Whoever shoots that saves someone dropped it for some reason, holding hands ... Costumes, except Turkey, are reminiscent of Pushkin's Time (standing figure) ... Where then were fighting? Careful design is also on the practical points and the time frame of "native".

bob, now a lot of tapestries do, go to their sites, look to ask the price ... some of the questions themselves and disappear:)

At that time the Greeks had a similar costume.

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Now a lot of tapestries being taken out of Europe. There is even a XVII-XVIII centuries, and must-bring and older. Here is a very good restoration of textiles. If you are in Moscow, you can visit them and for attribution and even offer them for sale, they bought domestic.
Coordinates can give in l /sec.

Give пожайлуста coordinates.

Dal in l /s, see.

bob, if I can deal with the plot, do not forget that the present agog:)