Two Second War Royal Canadian Air Force Wings

Two Second War Royal Canadian Air Force Wings;  Bombadier's (B) Wing - Three-colour embroidery on black wool, padded, giving it a three-dimensional appearance, 50 mm x 96 mm, reinforced backer, quality stitching, unissued, near mint; Engineer's (E) Wing - Three-colour embroidery on black wool, padded, giving it a three-dimensional look, 50 mm x 100 mm, reinforced backer separating from the front, quality stitching, unissued, residue on the reverse from previous board mounting, extremely fine.