The valuable horns can fetch up to $65,000 per kilo on the black market.
The worm compost is considered valuable enough to fetch almost 10 times the price of other composts.
In an unusual move, Phillips has declined to set an official estimate on the painting, but art experts think it could fetch at least $10 million, making it the most valuable work ever offered by the auctioneer.
Small, valuable commodities - horn, teeth, pelts - fetch incredible prices and are easy to conceal among legitimate export goods.
Long-term monitoring using remote sensing techniques may provide valuable data to analyze the effect of fetch distances on the nature of transport events that deliver sediment from the beach to the foredune.
Emap's business-to-business division is the most valuable part of the group, and is expected to fetch as much as £1.3bn.
Lancia made nearly 17,000 Aurelias in coupé, saloon, limo and convertible form, and all are highly collectible, the most valuable of them all being the Spyder, which can fetch more than £250,000.
Once cracked, passwords can be valuable on auctionlike black market sites where a single password can fetch $20.
Though dead ones can be valuable too (after years of being derided as food they now fetch $7 a kilo in Taiwan) you can only sell a dead shark once.
Researches, who will publish a new study in the journal "Biological Conservation," write that "Himalayan Viagra" can fetch as much as $100 per gram in China, making it potentially more valuable than gold.
