Value of 67 Cuda 273/235 no.s matching engine

If it shows well (not greasy and gungy, air cleaner chrome nice etc) start at $1000. If the valve covers are clean and nice they go for $200. The air cleaner $100+. The dual point is worth $50+. The rockers and shafts are worth $100 or more. The intake $150+ and the core carb may be $100. Catching on?