Commemorative 136 Sino-African Technical Cooperation Commemorative Issue (1971) (B136)

Stamp SN : B136
Stamp Name : Commemorative 136 Sino-African Technical Cooperation Commemorative Issue (1971)
Stamp Cat Standard : Commemorative Stamps
Stamp Cat : Agriculture,Emblems,Activities
Issue date : 1971-05-20
Dimension of stamps(mm.) : 28x38.5或38.5x28
Printer : Printing Bureau of the Ministry of Finance, Japan
Sheet composition : 10×5 or 5×10
Process : Photogravure
Paper : Photogravure stamp paper
Perforation : 13
Designer : Yen Ki-shih