France 1867 - Napoleon III Laureate, 30c brown, block of 4, signed Calves with digital certificate - Yvert no. 30
France 1867 - Napoleon III Laureate, 30c brown, block of 4, signed Calves with digital certificate - Yvert no. 30
France 1928 - Airmail, Pasteur 10 Fr on 1.50 Fr blue, signed Brun with 2 certificates from Brun and Couturier - Yvert no 4
France 1930 – Airmail, 1.50 fr, carmine, perforated, EIPA 30, block of 4, dated corner, signed Calves-Roumet with Roumet certificate – Yvert no. 6d
France 1852 – Napoléon III, 10 c. bistre-yellow, pair, signed Calves and Maury with Cérès certificate – Yvert n° 9
France 1928 - Airmail, Berthelot 10 Fr on 90c red signed Brun with Brun certificate - Yvert no 3
France 1950 - Poste aérienne, 1000 f. noir et brun violacé, feuille de 10 complète - Yvert n° 29