from the Mecum site
"This vehicle is still available. Contact a Mecum Agent today at (262) 275-5050 to place your bid." give them a call and ask what the engine really is

as I linked above, the car was "restored" around 1999-2000, no telling what was done
the intakes on the auction car are not original early Vette, the 53-early 55 Vette intake was a special GM item with 3 Carter YH carbs, not Webers ....
here it isBill