On November 3, a double-sided postcard dedicated to the theme "Silicon Mountains 2026 Tech Summit and Exhibition" was cancelled with a special postmark.

The cancellation ceremony was performed by Deputy Minister of High-Tech Industry and Artificial Intelligence of the Republic of Armenia Gevorg Mantashyan, Chief Executive Officer of "HayPost" CJSC Shushan Aleksanyan, Executive Director of the Union of Information and Communication Technology Employers Eduard Musayelyan, General Director of Ucom  Ralph Yirikian, and President of the Armenian Association of Philatelists Hovik Musayelyan.

The front side of the postcard depicts the inscriptions “SILICON MOUNTAINS 2026” and «TECH SUMMIT AND EXPO» in Armenian and English languages. The backside of the postcard depicts the photo of “Silicon Mountains” Summit which was held in Armenia in 2025.

The dimensions of the postcard are 150.0 x 110.0 mm, with a print run of 500 copies.