Solidarity Stamps: 100 + 50c 11th YMCA World Congress
Technical Details
Issue date:   3 August 1988
Designer:     Ludwig de L'Isle
Size of picture:  33 x 22 mm
Size of stamp:   36 x 25 mm
Perforation:      12.75 : 14
Offset paper without watermark
Synthetic gum
Sheets of 5 x 10 = 50 stamps
Colours: Black, yellow, magenta, cyan, light-gray
Printing technique:  offset
Printer:   Joh. Enschede en Zonen, Haarlem