1950 - 1959, collection First-Day-Covers with many better covers right up to Michel no. 282 / 83 with abridged certificate Paul BPP and 662 expertized Paul BPP, all about 50.- Michel value expertized BPP, with also interesting before First Day Cover the Michel no. 322 (unchecked), partly multiple with different franking combinations and postmarks, nice and rich collection from abandonment of a collection in the small box