SNG Righetti vs Righetti Collection

[Charles M]

A coin I recently purchased from the Plankenhorn Collection of Ionian Coins (Numismatik Naumann, Auction 91) was referenced in the catalog as "Righetti Collection 617" which I assumed was referring to SNG Righetti.  Now that I am cataloguing the coin for my collection I find that is not the case.  SNG Righetti coins from Ionia are numbers 832-934.  SNG Righetti 617 is a coin from Bithynia.  I did not own SNG Righetti prior to my purchase so was unable to check the reference.  My coin is not in SNG Righetti at all.

Was there a separate publication of "Righetti Collection"?  Or is this an auction catalog?

Here's my coin:

   
https://www.forumancientcoins.com/gallery/displayimage.php?pos=-164650

Thanks,

Charles M

[shanxi]

https://www.acsearch.info/search.html?id=194817


J. P. Righetti Collection (Münzen und Medaillen GmbH 15, 21 October 2004)

[Charles M]

Thanks, Ralf.

So this entire auction was the Righetti Collection?  I see this coin was in Volume 4--how many volumes were there?

Charles M.

[shanxi]

Five parts: Münzen und Medaillen GmbH 12 (part I), 13 (part III), 15 (part IV), 16 (part V)
I don't see part II


This is e.g. part IV:
https://www.acsearch.info/search.html?term=&category=1-2&en=1&de=1&fr=1&it=1&es=1&ot=1&images=1&thesaurus=1&order=1&currency=eur&company=74&auction=338&lot=