A fine dayak calender engraved with rows of squares, in each one engravings of crosses, circles, curved lines, cross-hatched and dotwork.Used for travelling to destination to prevent a fruitless or unsuccesful journey, the boxes marked "X" represents a negitive outcome if journey is completed on that day. Drilled with seven holes on the left, one in the middle and five on the right representing days of the week. The back is plain. Dark glossy patina with off-yellow encrustations of lime, similar to that on filled on trobriand island spatulas.