The existence of this point itself cannot be used as a basis for judging the authenticity of Saint Laurent products, because many different versions of Saint Laurent products may carry this mark.
Therefore, if you want to judge the authenticity of Saint Laurent products, it is best to verify them by other means, such as checking the packaging, labels, quantity and texture of the products. At the same time, you can also consult professional appraisal institutions or official website to obtain more accurate appraisal results.