A famed Italian bartender made one of the world's most expensive cocktails comprising of 1778 Clos de Griffier Vieux Cognac, 1770 Kummel Liqueur, Dubb Orange Curacao circa 1860 and two dashes of Angostura Bitters circa 1900s. Name the cocktail.

These are filter-feeding crustaceans that live attached to hard surfaces of rocks and flotsam in the ocean intertidal zone. They can only be harvested by free-diving or at low tide. An expensive seafood, the cost of these can reach up to $125 per pound. They are lightly boiled in brine and served whole and hot under a napkin. Identify this seafood.

In 2017, this hotel was in the news for selling a $1,000 bagel topped with Alba white truffle cream cheese, goji berry-infused Riesling jelly, and gold leaf flakes, for a limited time. The $1,000 bagel first appeared on the menu for a brief run in 2007 and was introduced again in 2017. Name the hotel that sold this expensive bagel.

The animal in the image is the Asian Palm Civet. The animal is an important part of making one of the most expensive coffee beans in the world. The coffee consists of partially digested coffee cherries, which have been eaten and defecated by the Asian palm civet. The cherries are fermented as they pass through a civet's intestines, and after being defecated with other faecal matter, they are collected. Name the coffee.

This is a highly sought-after species of edible mycorrhizal mushroom that grows in East Asia, Europe, and North America. It is prized in Japanese cuisine for its distinct spicy-aromatic odour. One reason why they’re expensive is that the pinewood nematode worm is destroying their natural habitat and the mushroom is only harvested once a year. Name the mushroom.