CMx1 "CAMBODIA - NORTH KOREA FRIENDSHIP PLAQUE"

"Cambodia - North Korea Friendship Plaque" (84mm X 65mm)

Unknown Entertainment & Art Badge
Obverse

Translated as "We Convey Our Sincere Gratitude to the Friendship between Kampuchea and Chosŏn. Hurray !"

Signed by "Kampuchean Leader Norodom Sihanouk"

Unknown Entertainment & Art Badge
Reverse

Does anyone have further information about this plaque ? (and maybe can improve the translation)