@ali0522 Last time I checked the license number format of Ph Drivers Licenses follows this format:
E05-99-020693
E05 is the issuing agency... 90 is the year it was first issued and the rest would be the series for that year.
Nung nagpa-convert ako ng license dito sa NSW, familiar naman sila sa format kaya alam nila kung kelan first na-issue ng PH license ko.