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About uguntde

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  1. Atypical construction violin

    I think they were called Weidler violins. Late Arthur Bay made such instruments in his workshop near Konstanz.
  2. I personally think that dealers need to be spot on with instrument selection, sound and authenticity, get certificates, put instruments right, do repairs and adjustments to achieve sizeable markups. Auction houses now often give an authenticiy guarantee but I doubt that it will be easy to question their assessment. You need a higher authority to question them, and these are often already somehow affiliated with them. There is a risk when you buy at an auction because there are many good copies around, especially for instruments in a middle price range (10-100k).
  3. Old violin stamped NS inner

    I dont see how it can be new. The bushing of the pegs is not particualrly nice. The pegs have not been fitted well, the A peg stands out further on both sides, whereas the D peg is essentially too short. Someone did this cheaply. It seems t be half edged in places (fine line on the right side) - who would do this for a copy? You can see that it has been opened, varnish of glue residues. Also, it does not make sense to copy without attributing the copy at least loosely to a know maker. The NM could also just be the initials of a relatively unknow, probably German, maker.
  4. Since nobody explicitly anwered the question above, the rule of thumb for the markup in this price range is about a factor of two to three. For expensive instruments the factor can be lower, the amount will of course be higher. The dealer may have to get the instrument checked, repaired, certified, may sit on it for some time, needs to pay staff and rents, and has to pay taxes in the end. A markup factor of more than 3 as for your Samuel & Charles cello seems a lot, if there were no repairs involved. If you sell it at auction later you will not get the same amount back. There are more and more players, even students, trying to buy at auctions, but this is of course a very different buying experience. You have to decide quickly and on site, you need to decide whether you believe the authenticity assessment by the auction house, whereas a dealer will let you take the instrument home to try it. Even with the guarantees given by auction houses now, one needs to be careful. There are many instruments that are copies. And the buyer will have to proof that an instrument was not genuine to be able to return it (if the auction house guarantees authenticity). There is a price for everything.
  5. Violin i/d - French

    A nice French violin.
  6. Was ist das? (German cello)

    If this was a violin I would say a few hundred euros. But then you find those instruments for a lot more: ... which I would never pay for this. If it is in good shape and makes a good sound, a German cello of this time, I would say should sell for EUR 2000-3000. But then you will find shops that would charge more (>$5000): Auction prices are about half of the prices charged by dealers. As with all sales, the item is worth as much as a nuyer is willing to pay for it, and you need to find the buyer.
  7. Cleaning rosin & gunk for violins with acetone

    I am a chemist, I know how to handle acetone. And the text above means more or less it is not very toxic. After all your body produces acetone. This is what causes the bad breath when you go on a keto-diet.
  8. Tarisio Certificates

    Don't they give a guarantee of authenticiy anyway?
  9. Cleaning rosin & gunk for violins with acetone

    Acetone is definitely ok to remove rosin deposites, and it is not toxic, just highly flamable. I would be somewhat more careful with a spirit varnish. What has always worked is Xylol - now hard to get. What works really well is petroleum, which is a mix of substances, available as lighter fluid.
  10. Collin-Mezin cello?

    This Collin-Mezin is not one of the mass-produced ones. I would assume he used an inside mold.
  11. No Label but drop of blood

    If it is Mirecourt it has higher linings and more square shaped blocks.
  12. Oil varnish shelf life

    Oil varnish does not behave like ethanol or acetone. It is not air, but it is light sensitive. Light will generate radicals at the conjugated double bonds of linoleic acid, alpha-linolenic acid, and the abietic acid from rosin. Air will have little influence. In a chemistry lab one would wrap a container of such vanish in aluminum foil to avoid light exposure.
  13. TotalEnergy Tuner. With this app you can even record the spectrogram of your fiddle. Used it for a long time and like it.
  14. Violin neck finish by Hill's (ground?)

    Danish oil is tung oil. Boiled Danish oil will polymerise like linseed oil. Tung oil can be use to make varnishes like linseed oil.
  15. Nicolaus Amatus fecit in Cremona 1662

    Many cities were renamed when as Europe was 'rebuilt and reshaped' after the Yalta conference. Germans are very hesitant to use the old names of these cities and Czech people would also not be happy with this. You read Schönbach a lot here from English violin makers and dealers one of who settled in Austria :). But Germans would never call it Schönbach nowadays, this is like calling Lubliana Laibach. As a German, I always avoid to talk about Schönbach. The use of the 'Made in Germany' label in the Soviet Zone / DDR was in my personal view as valid as to use this label in the BRD. There was always only one Germany, this was the official line taught in schools, and luckily the two parts came back together.