https://onlineonly.christies.com/s/fine … /lots/2136

The first 10 lots are incunabula, and lot 11 is only one year after the incunabula period.

Thus far I have only beeen looking at Lot 1 in detail.

Clicking on the picture produces access to three pictures, each of which can be magnified using the horizontal slider beneath the illustration, and one can drag the cursor around to display the various parts of the enlarged image.

I have learned from it, and I have found a wikpedia page about the printer.

https://en.wikipedia.org/wiki/Adolf_Rusch

https://en.wikipedia.org/wiki/Incunable

William