Sentences with One And Only

The ancient artifact discovered in the cave is believed to be the one and only relic from that civilization.

The scientist discovered a species of butterfly that was truly one and only, never seen before by humans.

The shining diamond in her engagement ring is her one and only treasure.

After years of searching, he finally found his one and only true love.

The antique bookstore boasted a collection of rare editions, each one and only in its own literary significance.