Aside from all the opinions, here is what the book says, then you can make your own opinion.
#1 car = $12,000
#2 car = $ 8,400
#3 car = $ 5,400
#4 car = $ 2,400
#5 car = $ 1,440
#6 car = $ 480
The car looks to be a #3 for sure. Maybe a #2. You do the math.
Small Block