I looked at the Cherrystone auction description. If you wanted to sell something for $23K, I think you would add a few more images. Those large binders must be heavy. You can get a good idea with the fine presentation of the lot!
I wonder what "1840" stamp is in the collection.
LARGE LOTS AND COLLECTIONS WORLDWIDE COLLECTIONS and BALANCES
1840-2000 Albania-Zanzibar, large collection in 72+ volumes, three ring-binders, computer-generated album pages, arranged in alphabetical order and covering the entire world, 50,000+ used and unused singles and sets, strong showing of European Countries, Andorra, Belgium, France and Colonies, Germany, German States, Plebiscite Areas, Danzig, Memel, Saar, Italy and Colonies, Liechtenstein, Luxembourg, Scandinavian Countries, Netherlands, Portugal and Colonies, Switzerland, East European Countries, particularly Albania, Poland, Romania, South and Central America, Cuba, Dominican Republic, Colombia, British Commonwealth, with better Australia and States, British Africa, British North America, also Independent Africa, Japan, Korea and much more. Condition is mixed, with some faults noted, there are many short or incomplete sets, few volumes of no commercial value, but there is substantial value in better items, hundreds cataloguing $100+, with souvenir sheets, occasional covers, solid holding with great potential for expansion or break by individual areas or countries, substantial value
