Very nice Kosta Boda glass block with birds. Frosted effect of birds. Small chip on bottom of back and flea bite on back edge, disclosed in photos, also there are some scratches on bottom and inclusion of surface bubbles I tried to show all in photos.Rare piece. Heavy Glass, solid, measures 6"x 4 3/4", one inch thick @ thickest, 1/2" thick at least. Clear and frosted. Etched Kosta, signed Engman and is numbered
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