So it makes a certain amount of sense — especially given his dream-come-true stint as head of Jaguar design — that Mr. Callum would try his hand at reimagining a more relevant Mark 2 for 2021 and beyond. The Callum Mk 2 is a real head-turner — at first a ringer for the original but, parked next to one, an obvious upgrade, albeit a stunning one.

This is another Callum Design limited offering with what some people might consider a staggering asking price, starting upward of $600,000, plus a donor car.

Yet buyers to date hail from Europe, the Middle East and even the United States, where the reimagined models aren’t technically road-legal.

Mr. Callum’s latest project could be his most ambitious so far: a thoroughly modernized version of the second-generation Chevrolet Corvette, which was in production from 1963 to 1967. He’s working with one of the car’s original designers, Peter Brock, 84, who sketched the original split-window coupe back in 1957.

The project is calling the vehicle Ava, which stands for the Latin phrase ad vitam aeternam, meaning “to eternal life.”

Ava will offer “hypermodern performance enveloped in the body and soul of a classic,” Mr. Callum said.

“It is a hugely exciting undertaking,” he said in unveiling the first design renderings. “We want to write a new chapter in this car’s story, using Peter’s original concept and vision, with Callum Design’s expertise in creation and engineering.”

Ava, which is to be built in Ireland, will be electrically powered, capable of producing 1,200 to 2,000 horsepower. The asking price, still being worked out, could reach $2.4 million.

Mr. Callum is coy about what else might be on his future projects list, but it would not be surprising to see something related to the 1965 Buick Riviera. “That car is still spellbinding to look at,” he said. “It is my personal favorite; it will never get old.”

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