Lot
1925 
France, 1854, Napoleon III imperforate, 20c blue on bluish, type I, tied by diamond grid cancel on folded letter sheet, matching "Bayonne, 27 Mars, 60" cds, transit and receiving backstamps, Very Fine; with 2015 Roumet certificate. Yvert No. 14A. Maury No. 14. Scott No. 15 Estimate $250 - 350.