Don has quite an amazing collection!! He has for years reached out and captured some of the finest muscle cars.
Given he has 4 Z-11's I'm not sure I would "flood" the market at an auction with as many as he has.
To maximize value, it's strange to sell that many at one time at one auction.,
The Strickler car will certainly do well, however others might not fair as well. Kind of like selling off a collection of Cobras, or A990 cars, or anything else in volume.
Now, if Dana Mecum has lined up sufficient buyers as he can, they have quite a selection to chose from.
I have been stalking a Thunderbolt with a Chevrolet tie and would like to talk the guy out of it. (I know that's being a traitor, but wait until you hear the story)
I wish Don the very best!!