There are some items in this world that may not be particularly practical -- or indeed usable -- in your day-to-day life. Astonishingly, these items can cost you an absolute fortune, should you ever actually want to purchase them.
Start the slideshow to view some of the world's odder (but neverthless costliest) items. Could you afford one, you think?
A Sotheby's employee poses with an 18 carat gold sculpture of Kate Moss entitled "Microcosmos (Siren)" by Marc Quinn
REUTERS/Suzanne Plunkett
A silver Longines chronograph watch and an oversized silver hour angle aviator's wristwatch during an auction at Christie's in Geneva
REUTERS/Denis Balibouse
An employee views 'Whispering Wall II' by Burhan Dogancay at Sotheby's in central London
REUTERS/Toby Melville
A peach vase is shown at Sotheby's preview in Hong Kong
REUTERS/Bobby Yip
Christie's Islamic art specialist Sara Plumbly holds a Fatimid bronze gazelle at Christie's in London
REUTERS/Suzanne Plunkett
The Bulgari crossover ring set with 3.72 carat fancy vivid blue diamond and 3.93 carat diamond at Bonhams auction house in London
REUTERS/Luke MacGregor
An emerald and diamond tiara is displayed at Sotheby's auction house in London
REUTERS/Stefan Wermuth
A gold and turquoise-hilted knife valued at £400,000-£600,000 ($650,000-$970,000)
REUTERS/Suzanne Plunkett
A Sotheby's employee poses with artist Alberto Giacometti's artwork "Trois hommes qui marchent II"
REUTERS/Luke MacGregor
An employee holds a fourteenth century Mamluk candlestick at Sotheby's in central London
REUTERS/Toby Melville
A Hello Kitty figurine, studded with a total of 19,636 Swarovski crystals
REUTERS/Yuriko Nakao
A sculpture carved during the artist's first trip to Tahiti between 1891 and 1893
Reuters
Two unmounted emeralds weighing 17.97 and 15.99 carats are pictured during an auction preview at Christie's in Geneva
REUTERS/Denis Balibouse
A page of the sixteenth century folio 'Faridun in the Guise of a Dragon Tests His Sons'
REUTERS/Toby Melville
A Christie's employee models The Rosebery pearl and diamond tiara, bracelet and brooch at Christie's in London
REUTERS/Suzanne Plunkett
Artist Andy Warhol's artwork "Debbie Harry" at Sotheby's Auction House in London
REUTERS/Luke MacGregor
A Sotheby's employee poses with "Gudrun (633)" by Gerhard Richter from 1987 at Sotheby's in London
REUTERS/Suzanne Plunkett
An 18-carat gold phone that costs $57,400
REUTERS/Sergei Karpukhin
A Gujarati mother-of-pearl and black composition overlaid wooden pen box from northwest India is displayed at Christie's in Londo
REUTERS/Suzanne Plunkett
A model displays the Sun-Drop diamond during a media preview in Hong Kong
REUTERS/Tyrone Siu