FEPA News

FEPA NEWS 45 68 The World of Research Fig. 2 (right): All the First Day covers. It is interesting that the 1 Slt stamp is cancelled 12.2.1992 even though the official release date was 13.2.92 The stamps remained valid until 31st December 1997. On the edge of each sheet, usually, but not always, the sheet number is marked in the penultimate line, and above it is a sign, popularly called as a “mouse”. The following numbers of mice are found for each value: 1 Slt 1-21 11 Slt 1-17 2 Slt 1-17 15 Slt 1-24 4 Slt 1-4 20 Slt 1-33 5 Slt 1-26 50 Slt 1-16 6 Slt 1-36 100 Slt 1-6 There are 202 total marginal numbers, keeping in mind the following: • At the 2 Slt value, the numbers 5 and 6 exist in both the third and fourth rows, and the difference is only visible in the corresponding square or block of six. • At the 11 Slt value, the number 3 is only in the third line (right). • At the 15 Slt value, the numbers 3 & 4 also exist on the left side of the field and not only on the right. Fig. 3. Variations of the position of the sheet numbers at the 2 Slt value.