International Year of Crystallography

Technical Data

Stamp Set	International Year of Crystallography
Date of Issue	January 30, 2014
Denomination	Rs. 20
Quantity	410,000
Perforation	13½
Printer	Security Printing Press, Hyderabad
Printing Process	Wet Offset
Watermark	No Watermark
Colors	Multicolor
Credit (Designed By)
Catalog Codes	Michel IN 2812 Yvert et Tellier IN 2567 Stanley Gibbons IN 2996
Themes	Chemistry \| Geometric Shapes \| International Years \| Minerals \| Science