Define, please, the price

[Amateur]

It is difficult to judge. On the one hand, the price because you can assign any, even a million, another question - will buy it for this price? On the other hand, maybe this particular list something separated from the others for the better ... There is need narrow specialist in French engraving beginning of XIX century. In the end, it still shows the architectural landscape, and not just srisovka with Egyptian bas-relief. Look at the French eBay'e all the engravings of the XIX century and older, then you are more or less will be able to orient at current prices. There was and engravings similar to those available at the above your site.