Pure-bred puppies.
Everybody loves puppies, and I'm sure there are some pedigrees in the market of between 800 and 1,000 US dollars.
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Courtesy of fr0q - http://img.imgcake.com/gensagajpgqe.jpg
Punny worked hard on this! - http://img.imgcake.com/Punny/Gennypngas.png