The Perforated Stars on Bluish Paper, 1854-1857
First Official Perforation
1854 Febraury - March   Die I,  Alphabet II,  Watermarked Small Crown,  Perf. 16
Second Official Perforation
1855 January    Die I, Alphabet II,  Watermarked Small Crown,  Perf. 14
Introduction of New Die II
1855 28 Febraury    Die II,  Alphabet II,  Watermarked Small Crown, Perf. 14
Introduction of New Die II
1855 01 March    Die II,  Alphabet II,  Watermarked Small Crown, Perf. 16
Introduction of Large Crown Watermark Type I
1855 15 May    Die II,  Alphabet II,  Watermarked Large Crown, Perf. 16
Introduction of Large Crown Watermark Type I
1855 15 May    Die II,  Alphabet II,  Watermarked Large Crown, Perf. 14
Introduction of Alphabet III
1855 August    Die II,  Alphabet III,  Watermarked Small Crown, Perf. 14
Large Crown Watermark Type I,  Alphabet III
1855 August    Die II,  Alphabet III,  Watermarked Large Crown, Perf. 14

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