1850 1fr Dark Carmine Cérès Imperforate, a used block of four, with "grille sans fin" cancels, large margins on three sides close to just in at left. Signed on back by Aimé Brun. This is a rare block of four, cataloguing €17,750 in the Maury / Spink catalogue and €16,500 in Yvert & Tellier. Rsv. $2,300. (Image)

Scott $ 15,000

1924-25 International Exhibition of Modern Arts Set, all in mint never hinged panes of twenty five, a few panes have their full selvedge, some are missing one selvedge edge only. A few creases and light gum disturbance on a few stamps only, else overall fine. Maury Spink #210-215, €1,508. All panes scanned online. Rsv. $180. (Image)

Scott $ 1,312

1954 1,000fr Air Mail, a mint never hinged full sheet of twenty five, with "guillochi" lathework in margins plus 23.11.54 date of manufacture datestamp, very fine and scarce. Maury Spink #33, €3,250. Rsv. $425. (Image)

Scott $ 2,375