Luxembourg B252-B257 blocks/4

Luxembourg B252-B257 blocks of 4, MNH, $8.80. Michel 740-745. Caritas 1966, Fairy Tales: The Veiled Matron of Wormeldange, Jekel, Warden of the Wark, The Black Man of Vianden; The Gracious Fairy of Rosport; The Friendly Shepherd of Donkolz; The Little Sisters of Trois-Vierges. Fish, cat, bird. It can be other corner blocks of 4.