In 2003, Sweden and Hong-Kong issued jointly a set about acuatic birds, were issued in panes of 25 of each of the four face values + a booklet containing two miniature sheets of four different se-tenant stamps, each with elliptical security perforations on the vertical sides.  The individual values are: HK-dollars 1.40, HK-dollars 2.40,  HK-dollars 3.00, and HK-dollars 5.00. 

The stamps are printed in Sweden on paper with security fibres by Sweden Post Stamps, and processed in intaglio and lithography.  The birds shown on the stamps are:

04.10.2003 Acuatic Birds.
The official First Day Cover, issued jointly by both countries, is printed in Sweden, and carries a sheet of both countries’ issues.  The cachet is a mirrored image of the second stamp of the sheets, the Horned Grebe.  On the cover’s lower right corner is the embossed logo of Post Sweden.  The cover is signed by Czeslaw Slania. 

Hong Kong – Sweden 2003:  First Day Cover of the joint issue depicting waterbirds.  The Swedish face values are 10.00 SEK for each of the stamps.