Very nice set of 13 letters from the classic period, includi - Lot 7

Very nice set of 13 letters from the classic period, including 2 no. 2 "15c vert" (in pair) and no. 6 "1F Carmin Cérès" imperforated 1st issue on letter from Paris to New-York, by English route (price 6000€), Roumet and C.E.E.P. certificates enclosed. We also have 2 n°3 "20c noir" and 1 n°4e (handwritten tax 25 visible). We also have 8 Empire imperforates, serrations and Ceres, including tax 40 and insufficient postage, double postage and two-tone, all to Switzerland. Finally, 3 n°3 detached (including shades, neighbor, and beautiful margins, 2 n°5 "40c orange Ceres 1st issue", in vertical pair and 2 n°29 (29B and 29Bb). Variété à la corne" in a holding pair, complete this lot.