375rd Heinrich Köhler auction - Day 1

1852 Eagle with crown 5c. on green, 10c. on rose and 25c. on brownish, tied by blue mute cancel to front and reverse of registered cover from Modena to Mantova, the 25c. stamp on reverse cut through due to small part of flap cut and re-affixed, in addition a registered cover from Vienna to Firenze, the latter with fold through stamps, despite some faults and attractive duo