19 May 2011
From Post & Go machines the 3rd set of pictorial Faststamps depicts water birds:
The birds are the Mallard, Greylag Goose, Kingfisher, Moorhen, Mute Swan and Great Crested Grebe.

These Royal Mail fdcs have the Kingfisher postmark from Slimbridge, Gloucestershire. The cover has 6 x 1st class stamps dispensed from Norwich machine 2.