Midcentury signed Daum, France crystal Germany KIENZLE clock numbered 8157
Battery operated 1.3 bis, 1.5 Volt
It measures approximately 6 1/2" tall by 7" wide, and weighs about 5 pounds. 

The crystal rock is in very good condition, with wear commensurate with age and proper use.
I assume pull is missing on back, plastic cover cracked inside in few places still in sturdy condition.
Clock must be repaired by professional , meanwhile its sold as a vintage rare item.
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