The
The Maltese Cross

Example used on an 1840 1d Black plate 2.

The Stonehaven cross

For further reference see also

  1. The Tallan collection of Penny Black postage stamps
  2. The Tallan collection of Two Pence Blue postage stamps
  3. The I T Pickering collection of Maltese Cross postmarks
  4. The Penny Black illustraded guide
  5. The Two Pence Blue illustrated guide
  6. The VR official Penny Black illustrated guide
  7. The numbered maltese crosses of the London chief office