7th Definitive - R2.50 Common Grass Yellow    Date of Issue June 16, 2001 Denomination R2.50 Art Work Chris Van Rooyen Designer Thea Swanepoel Size 26 x 35.4mm Sheet 50 Perforation 13 x 2 cm approx Paper 102 gsm gummed stamp paper Gum   Phosphor   Printing Process offset lithography Colors four color process Printer Cartor Security Printers, France Initial Quantity 850,000   Common grass yellow or Lowveld yellow (eurema hecabe solifera), a bright yellow and black butterfly that is a common sight from the Transkei coast to Kwazulu-Natal and Mpumalanga.   Original information and image from South Africa Post