Pretty sad that someone let it sit outside to deteriorate.
Here's what the description says.
Up for auction to settle estate a Monocoupe model 90-A airplane, being sold as a project or for parts. Five cylinder Velie radial engine as well as a 90% complete basket case Lambert five cylinder radial engine are included in this auction. No logs have been found as of this date. Aircraft serial number A-773, FAA "N" number N-19425, engine model numbers and serial numbers are visible in the photos.
If you are looking for a piece of aviation history or are in need of a challenging project here is your chance. Plane is located in Chicago area and is being sold as is, where is. Certified check made payable to estate within 10 days, pickup within 30 days. Thanks for looking.
http://cgi.ebay.com/ebaymotors/1938-Monocoupe-90-A-/200495465382?cmd=ViewItem&pt=Motors_Aircraft&hash=item2eae7603a6#ht_500wt_1182
Missing Monocoupes
Model N Number Serial No. Last Seen
90A NC19425 773 1982