On such prints, the price may double or triple according to mint condition or damages to the print or as often with faded colours when framed. Here never been framed and in mint condition. Tryptic (3 prints) as described in the catalogue Raisonné CORLETT App.5. Only the third right set is signed. Despite sometimes seen, the catalogue raisonné is mentionning that a few were signed, but only on one of the three the one on the right part & never mentioned numbered or signed on each sheet. The Catalogue raisonné of  Mary Lee Corlett is the reference catalogues of the prints of the Pop artist Roy Lichtenstein, who created more than 350 graphic works over a span of 50 years. It catalogues and reproduces each of the artist's original prints, as well as posters, book and magazine illustrations, announcements and more. This set was in public auction catalogued 1-7-2009 Delorme Colin du Bocage Paris lot 93. Sold 9-2019 in Mexico over 11000 € with commissions with faded colours.