Special 22. Chinese paleontology
Issued on April 15, 1958, a set of 3 pieces, engraved printing, pattern and circulation are:
3-1. Artemisia trilobites (Paleozoic), 5 million pieces
3-2. Lufeng dinosaurs (Mesozoic), 9 million
3.13.Proboscis (Cenozoic), 3.5 million copies
This is a valuable demonstration of the results of the study of the evolution of paleontology.
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