The last two Aero Supersport sold achieved around this price point so it does look sustainable (though a niche market)
Putting aside GTN and GTR, the rarest Aero is the Coupe (fixed roof version of the Supersport), even if Morgan cannot make up their mind if there were 38, 39 or 40 of them built, it is still much less than the C.180 Suprtsports or C.103 AeroMax.
A Coupe is for sale at Krazy Horse for £190K