For the many Russians making Soviet-era goods that were unsalable at any price, barter became a way of restoring price flexibility.

ECONOMIST: Russian economics

It fertilized a roomful of plants, causing their flowers to go to seed and making them unsalable in a market where consumers demand to examine products under magnifying glasses.

WSJ: The Pot Business Suffers Growing Pains

When Wall Street went into meltdown last fall, the bottom fell out of the exotic-instrument market, and many of Harvard's private-equity investments proved to be unsalable--that is, worthless, at least temporarily.

FORBES: Magazine Article