Step 11 - After the stamp design and layout are completed. The graphic artist calculates the most appropriate stamp sheet size using the perforation sizes available at the printers. The final size of the full stamp sheet is determined by the size of the Post Office's counter stamp books, as well as in stamp collectors albums.

Step 12 - The stamp sheets can be printed in multiples of 25, 50, 100 or more stamps per sheet. They can be positioned on the printer's paper in various combinations as shown below. In A below there are two sheets of 50, in B one sheet of 100 and in C four sheets of 25. The final decision will depend quality and the most economical paper usage.

Step 13 - A table showing paper usage at the Printers.

Step 14 - The fish stamp sheet layout will be 50 stamps per sheet.

Step 15 - The butterfly and bird stamps will have a sheet layout of 10 per sheet.

Note: Technical information and Pictures were taken form Setempe Philatelic Magazine published by the South African Postal Service.