Maximum card produced for the Royal Mail 'Woodland Animals' stamps issued 16 September 2004.
Stamp: 1st class Natterer's Bat
Postcard: The Vincent Wildlife Trust - Bechstein's Bat
No postcard of the Natterer's Bat was available and the Bechstein's is the closest look-alike.
Postmark: Batts Corner, Dockenfield, Farnham, Surrey (in silver which shows up best against the dark background)