Check
www.car-part.com - you can do a regional or state by state search if you wish.
Many yards don't list dashboards, so you might check for a door panel or a speedometer cluster. By checking for speedometers you can find lower mileage cars - bottom line is a ton of these are in wonderful shape since most lincolns are garaged until 3rd or 4th owners.
Color is going to be your problem - but here is one:
1990
Dash Panel
Lincoln Mark VII RED A 9040 $Call ABC Auto Salvage, Inc. USA-NE(North-Platte) Request_Quote 1-800-422-4683 Request_Insurance_Quote
Gotta be sweet or they wouldn't bother listing it.
FYI typical price is around $150 for these plus shipping based on the others I found. That's the only red one within 400 miles of you.