Unless someone can come up with another vintage sign to challenge mine, it must be the oldest durian advertisement board in Singapore !! What is so special about it (at least to me) is how our beloved durian has, in this one instance, brought the mother-child art genre so 'sweetly' into a new dimension. It can be found in this marketplace: mamewncholot treccens.
Happy deciphering and durian-hunting... of a different kind : )