There are many ways and reasons to collect art. On December 3, 1919, unable to pay his American dentist Daniel Tzanck in cash, the artist Marcel Duchamp made and signed a fake cheque written in the amount of the 115 dollars that he had been billed. The significance of this false Teeth, Loan and Trust Company, Consolidated cheque may be measured both by the fact that the dentist accepted this original copy as payment and that Duchamp valued it so highly that he bought it back from him years later at an inflated price. The title of this artwork has a number of puns embedded in it. Not only does…