An allegory of astronomy with 2 putti

porcelain, a central globe, the standing putto peering through a telescope, the seated one measuring the globe, and holding a rod, in the foreground a book, to the side a scroll with a floorplan, tall open-work base with blossoms and leaves, the reverse side with a tree, height: 27 cm, small restorations and chips, the inside base with short firing cracks; Vienna, Imperial Manufactory, underglaze blue Austrian shield ca. 1760 (Ru)