170th anniversary of the Malta police force issue and other issues

Abstract

Issue X - printed in multicolour using five different colours for values 3c, 8c, and I le, but six colours for the 25c value. -- Issue Y - printed by using the four colour process. -- Issue Z - printed in multicolour using four different colours for the 3c value, eight for the Se value and five for the 30c value. -- Colour checks in the form of coloured discs 3 mm in diameter, are seen in the right hand margin, next to the last stamp of the bottom row, in each Pane, of each value, of issues X, Y and Z. Colours from top to bottom correspond to the colours used for Pane numbers from right to left, on all Panes, of all values in issue X, but from left to right in issues Y and Z. Cumulative totals of progressive columns of stamps, are seen in top and bottom margins, printed in black, in all Panes, of issues X, Y and Z. [excerpt]