Commemorative 119 International Hydrological Decade Commemorative Issue (1968) (B119)

Stamp SN : B119
Stamp Name : Commemorative 119 International Hydrological Decade Commemorative Issue (1968)
Stamp Cat Standard : Commemorative Stamps
Stamp Cat : Environmental Protection,Activities
Issue date : 1968-06-06
Dimension of stamps(mm.) : 26.5x42.5
Printer : China Engraving & Printing Works, R.O.C.
Sheet composition : 10×5
Process : Deep etch offset
Paper : 76-lb 〝郵〞(post) watermarked 
Perforation : 11 1/2
Designer : Wen Hsueh-ju