Rocket engine RD—124 (GRAU index 14D23) combustion chamber pyrofixer spacer (block "I", third stage) size approximately 2.5” x 2.1/4”, metal. 

Sealed tag with ribbon 7.1/2” long attached. 

Used on Soyuz 2-1b. 

Removed before the launch. Rare space artifact.   
We will provide the letter of authenticity for this artifact.
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