375rd Heinrich Köhler auction - Day 1

1882/89, India & Convention States, two pages with six items, includes Sperati's original negative for the 1854 issue half anna (ex Robson Lowe), the only reported perforated example of the 1856 unissued 2 anna (two are known imperforate), three Gwailor overprints and a BPA card proof, all are ex Carl Walske