Solidarity stamps: 55 + 25c
Issue date:   25 July 1990
Designer:     Mayke Kelkboom
Size of picture:  33 x 22 mm
Size of stamp:    36 x 25 mm
Perforation:      14 : 12.75
Offset paper without watermark
Synthetic gum
Sheets of 5 x 10 = 50 stamps
Colours: Black, yellow, magenta, cyan, orange-yellow, dark-red, warm-red, light-blue
Printing technique:  offset
Printer:   Joh. Enschede en Zonen, Haarlem