10 Gr. interior duty stamp with manuscript cancellation and double circle. "POELITZ 3. 7. 69" on package accompanying folded letter cover with 5 Gr. rouletted as well 1 Gr. and + Gr. perforated to Gdansk with delivery cancellation, 10 Gr. internal purposes of the service stamp repaired and stroke of pen weakened as well + Gr. a little oxidated, otherwise in optical good condition, photo expertize Mehlmann BPP