Rare salt & pepper shakers ZENITH Holland Dutch art pottery 60s 70s

A rare set of salt & pepper shakers on tray - made around 1960/ 1970 by Zenith / Holland. Tray marked underneath as can be seen on the photo, with original label. Really extraordinary! 

The items measures approx.:
height shakers each 6.5 cm/ 2.55"
width tray 17 cm/ 6.7"

Condition: Used, but in good condition. No chips. No cracks. No repairs or whatsoever. Normal aging craquelée as can be seen on the photos.