Ashtrays from the 60s in opaline

Opaline ashtrays from the 50s / 60s. Advertising on the back "kuhlman fertilizer" Opalex registrations tuesday in france. Beautiful state of presentation, the colors are very bright (apparently never used). Delivered in their original presentation box. Dimensions 9.5 X 9.5 X 2 cm. Do not hesitate to contact me if you need more information.