I have more Mats Jonasson (and Erika Hoglund) listed.
Rare Mats Jonasson, Maleras - Sweden, etched crystal glass sculpture paperweight featuring a pair of loving Chimpanzee Monkeys. It is signed and numbered #3744 on the bottom. Original sticker is in front as well. No chips or cracks. Normal wear.
Measurements:
Height: ca. 4.5"
Width: ca. 5"
Depth: ca. 1.5" (deepest point)
It weighs ca. 1.11oz by itself.