The 3p and 4p were only available from Booklets made up from a Special Sheet of 80. This Sheet contained 10 Panes of 6 (2 x 3) printed on the first 2 rows (5 x 2) with an additional third row containing 5 Blocks of 4 stamps showing the 4p value. The remaining values were Issued in Normal Sheets of 40, (2 panes 4 x 5).