Given enough time, I might have been able to convince myself that the incident on the tubeway was a genuine medical rarity.

But on Monday night there was a genuine rarity: Agnes de Mille's "Debut at the Opera," a solo from 1928 reconstructed by Janet Eilber.

This particular knife," Schmidt continued, "is one of two hundred and fifty, a genuine rarity.

"I think the prejudice against printed paper is somewhat countered here by the genuine rarity of these things."

There are also many cents dated 1943 that were coated with copper to imitate the genuine rarity.

Fortunately, there is another wine world out there, a place where genuine rarities exist, where there are wines guaranteed to vanquish enological ennui.

Profound yet accessible, it could prove to be that genuine rarity: a mid-20th-century concerto that audiences like as much as performers.

That same year it reached New York, with a concert performance at Alice Tully Hall, the opera still being described at that time as a "genuine rarity".

Not only are a cappella groups a genuine rarity in the 21st century, but the barbershop-style quintet managed to attain remarkable commercial success in the ...

In recent years, author Clinton Heylin has noted that Them's 1966 recording of the song is "that genuine rarity, a Dylan cover to match the original."