Cover
with full three sets of stamps from the issue 50th Anniversary of Synthetic
Crystalline Bovine Insulin posted on September, 23
2015.
(A
very special thanks to my best friend Wei Xu)
Technical
Details
50th Anniversary of Synthetic Crystalline
Bovine Insulin
Date
of Issue: September 17, 2015
Values: set of one stamp of 120 fen
Values: set of one stamp of 120 fen
Designer:
Yu Xue
Printer:
Beijing Postage Stamp Printing Works
Process: Photogravure
Process: Photogravure
Size:
stamp - 40mm x 30mm
Perforation:
13
Sheet
composition: 20
Paper:
Watermark:
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