Bidspirit auction | Azores * 1912 – Ceres.

Azores * 1912 – Ceres. Envelopes. OM11, 2 ½ c, light violet on yellow paper + OM11b, 2 ½ c, violet, pinkish chamois paper + OM12, 5c, dark blue, chamois paper + OM12a, light blue, cream paper. Mint envelopes, very well preserved, with good colour and all with flap cut, type I. Very fine and scarce.