Eynhallow 1977 Birds #01 Yellow & Grey Wagtails 40p set of 7 imperf progressive colour proofs comprising the 4 individual colours plus 2, 3 and all 4-colour composites unmounted mint
Eynhallow 1977 Birds #01 Yellow & Grey Wagtails 40p set of 7 imperf progressive colour proofs comprising the 4 individual colours plus 2, 3 and all 4-colour composites unmounted mint