Concert Eb would be the Bb scale for horns, which has 2 flats in the key signature, so starting on low Bb, it goes Bb (1), C (open), D (1), Eb (2), F (1), G (open), A (1 2), Bb (1). The fingerings go along with a single French horn.
There's five flats in the key signature, so starting on the D just below the staff, the fingerings are: Db (1 2), Eb (2), F (1), Gb (2), Ab (2 3), Bb (1), C (open), Db (1 2).The fingerings are for a...