First auction is assorted Space Marines items, including a Whirlwind, Drop Pod, Tactical Squads, Assault Squad, Scout Biker, and other bits (including older stuff).
https://www.ebay.com/itm/401686570560
Second auction is assorted Dark Angels items, mostly a Fallen kit and some other standard Space Marines stuff.
https://www.ebay.com/itm/401686578317
Third auction is some terrain pieces, both plastic and resin. Includes some industrial and some gothic stuff, as well as Battle for Macragge starter kit stuff.
https://www.ebay.com/itm/401686561037
There are many detailed pictures on the postings, but a sample is shown below:
Space Marines:
Dark Angels:
Terrain: