1919 Ross Smith, miniature sheetlet in deep blue, issued for the first Aerial Post England-Australia, watermarked "Crown over A", lightly hinged at top and bottom margins, minute toned spot at right, naturally spotty gum, with inclusion showing through at bottom, still fresh and v.f. sheetlet, signed David Field. Only about 50 sheetlets with complete selvage exist in private hands (Image)

Est.US$7,500