They are over 500 years old and are unique specimens of its kind in Europe.

Behind this door waited neither a lady nor a tiger, but an altogether unique specimen.

Among them, the angel which plays the guitar is considered an almost unique specimen in the religious iconography of the period.

One unique specimen, the "full empty," has been found, "filled" with blue liquid.

So how can gardeners get their gloved hands on one of these unique specimens?

Here, at least 100 unique non-hatchery specimens were collected during the study period.

But there is no harm in studying a unique specimen.

He could not allow this unique specimen to be destroyed.

Why, he might have destroyed an absolutely unique specimen.

It never occurred to me that these weren't unique specimens.