The 20th Anniversary of the CONOCER - National Council for Standardization and Certification of Labour 2015
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2015
The 20th Anniversary of the CONOCER - National Council for Standardization and Certification of Labour
9. December WM: None Sheetsize: 50 Design: Rodolfo Espíndola Betancourt Perforation: 13
![[The 20th Anniversary of the CONOCER - National Council for Standardization and Certification of Labour, type ENY]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ENY-s.jpg)
