Please take note:

The character of the objects presented here, in many cases highly individual or even unique, hardly makes it helpful to quote a price in each case. For quite irrespective of this, undifferentiating comparison leads to misinformation. But that is just contrary to our expectations on the internet. In these cases please get in touch with us for a complete description along with the quote. And, if necessary, ask for all the details elsewhere, too. This way you will not simply buy cheap but really worth the money. A maxim having proved to be true for myself on and on for now 25 years. It’s the best advice I can pass on to you. For I myself owe it to the legendarily rich, and hence very cautious, American banker J. Pierpont Morgan, “one of the greatest collectors of all times.

(Löffler-Kirchner, Lexikon des Gesamten Buchwesens, vol. II, p. 485). Do it just like the banker! Compare the qualities here with any would-be bargains elsewhere. And then make your choice! I’m sure I can help also you to greater satisfaction.