![PAPUA NEW GUINEA - 1911 - MULTIPLE: 2½d dull ultramarine 'Lakatoi' issue, a fine mint corner marginal pair with 'CA' (Commonwealth of Australia) Monogram in margin. (SG 87a) (PAP/23494)](http://latinamericanphilatelics.com/cdn/shop/products/PAP23494_{width}x.jpg?v=1638447762)
2½d dull ultramarine 'Lakatoi' issue, a fine mint corner marginal pair with 'CA' (Commonwealth of Australia) Monogram in margin. (SG 87a)
2½d dull ultramarine 'Lakatoi' issue, a fine mint corner marginal pair with 'CA' (Commonwealth of Australia) Monogram in margin. (SG 87a)