ID 20546
Calcite from Østergrua 435, Malmberget, Norrbotten, Sweden
Size: 141x166x81 mm (1447 gr.)
 
The specimen is very nice aesthetically with 2 bouquets of large dog tooth calcite, and it is completely undamaged. 
 
Please also watch the video for a better view:
https://youtu.be/2tOttdLlycU
 
I don't know the exact year it was collected, but assume 20-30 years ago