Quantity: 320,000 stamps (20,000 sheets)
The stamps were printed in offset lithography by Joh. Enschedé Stamps Security Printers B.V. (Netherlands).
Format: 39.2 mm horizontally x 28.6 mm vertically
Perforation: 12 ½ x 12 ¾
Each sheet of 16 stamps accommodates four different endangered species, each in se-tenant blocks of four.
Rorie Katz and Sergio Baradat (United Nations)
John Keulemans and William Hart (United Kingdom of Great Britain and Northern Ireland)
The stamps will be available in selling units of a mini-sheet of 16 stamps or a single unit of a se-tenant block of four stamps.
The CHF 1.40 stamps depict the following endangered species:
Diphyllodes respublica (Wilson’s Bird-of-Paradise)
Ptiloris paradiseus (Paradise Riflebird)
Semioptera wallacii (Standard-wing Bird-of-Paradise)
Paradisaea decora (Goldie’s Bird-of-Paradise)