VALUE OF THIS SET UP

273 HP engine, chrome air cleaner, to pan, special black valve cover, 4 barrel intake with oringal 4 barrel carb. hp exhaust manifolds ,trans still bolted to motor .it runs good just drove it a week ago pulled motor to do gen 3 swap whats it worth ? 1967 MOTOR NO REBUILDS thinking about $1200 motor and trans still bolted to engine ohio