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     Stamps of Minerals, Gems and Meteorites

 

 

 

Viet-Nam

 1993 – 2489 - BF

 2001 - 3041

3041-3042

2001 - 3041
647vtm93

Corundum Ruby, Sapphire

and Thai Bin - Al2O3  

Corundum Ruby

 Tan Huong

Al2O3

Corundum Ruby

 Tan Huong

Al2O3

 

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