Co-operation Year (Yemen, Kingdom 1965)

15 September (Yemen, Kingdom ) within release International Co-operation Year, 1965 goes into circulation Stamp Co-operation Year face value 4 Yemeni buqsha

Stamp Co-operation Year in catalogues
Michel:	Mi: YE-K 170B

Stamp is square format.

Also in the issue International Co-operation Year, 1965:

• Stamp - Co-operation Year face value 2;
• Stamp - Co-operation Year face value 4;
• Stamp - Co-operation Year face value 6;
• Stamp - International Co-operation Year face value 4;