Germany 1925 Regensberg Easter Flight Days Flown Postcard & Semi-Official

Official Festpostkarte issued on occasion of Regensberg Easter Flight Days,. flown postcard bearing 10pf Regensberg Osterflugtage semi-official airmail, tied by "Oster-Flugtage Regensburg 12/13.4.1926" c.d.s., "Mit Flugzeug / D409 befordert" handstamp confirming the card was flown, the card showing portrait of famed pilot Ernst Udet, scarce and very fine.