Samos 99 is another cheese product aimed largely at kids, which started in the 60s when sticking a number on your brand name seemed really "sci-fi" (as the French expression has it).
The big question is: which Olympics? My money is on 1980, although I would be prepared to believe practically any year from 1968 to 1988. I've seen one other Olympics-related promotional item from Samos 99, which was a similarly-sized sheet of bas relief runners. That item was marked "Extension 21" (for which company a date of 1980 would be appropriate), & it seems plausible to me that both these items could have come from the same promotion, even though one of them is a transfer & the other not.
No doubt more info will materialise in good time; meanwhile, we must just remain patient. If we can stand it.
Picture Credit: The SPLAT Scan Archives
© Tom Vinelott 2021