conceptcarz.com
Total Sale$17,316,319 
Average sales value$558,591 
Highest sale$8,204,231 
Lowest sale$283 
# of items offered for sale51 
Items sold31 (61%) 
Items without reserve
Items with a reserve46 (90%) 
Average price without reserve$327,596 
Highest price without reserve$1,198,078 
Lowest price without reserve$12,032 
Sales above seven figures
Sales above six figures18 (35%) 
Sale value above estimated value13 (25%) 
Sale value below estimated value7 (14%) 
Sale values within estimated value18 (35%) 
Average Pre-Auction Estimate$390,308 - $497,949
Unofficial information.

Recurring Sales:
Below is a list of vehicles that have appeared at more than one auction.

1973 Lamborghini Espada 400 GT

1973 Lamborghini Espada 400 GT Auction Results
1973 Lamborghini Espada 400 GT Auction Results
1973 Lamborghini Espada 400 GT Auction Results
1973 Lamborghini Espada 400 GT Auction Results
Chassis Number: 8852
Sale DateResultPre-Auction Estimates Auction House
August 2011 $55,000  $30,000 - $40,000 No Reserve RM Sothebys 
May 2016 $130,226  $110,000 - $140,000  Bonhams 

1968 DeTomaso Vallelunga

1968 DeTomaso Vallelunga Auction Results
1968 DeTomaso Vallelunga Auction Results
1968 DeTomaso Vallelunga Auction Results
1968 DeTomaso Vallelunga Auction Results
1968 DeTomaso Vallelunga Auction Results
Chassis Number: 807DTO126
Sale DateResultPre-Auction Estimates Auction House
May 2016  $320,000 - $360,000  Bonhams 
August 2017  $300,000 - $350,000  Gooding & Company