URL des Documents de travail : http://centredeconomiesorbonne.univ-paris1.fr/documents-de-travail/Documents de travail du Centre d'Economie de la Sorbonne 2014.53 - ISSN : 1955+611XThe market for autographs has become more open to international buyers since 1990. Our data set features a large sample of store and auction sales for selected authors every five years from 1960 to 2005. The estimation of a hedonic price function shows that page count, type of author, date and type of the document, together with consumer and assets price indices explain more than one half of the price differences. Authors whho are more often sold at auctions (hence more likely to attract international demand) carry a 28% premium when sold in stores. The autograph...