The stamp above (FB) has a constant variety mark under B square which is visible in the top right margin
Penny Star (GB) C4 Plate 1 Very Fine used Cat 65 pounds
Sale!Original price was: £16.96.£15.60Current price is: £15.60. |

Original price was: £16.96.£15.60Current price is: £15.60. |
The stamp above (FB) has a constant variety mark under B square which is visible in the top right margin