These plates are from scans on eBay placed there by Maurizio Fumagalli, who currently resides in Vientiane, Laos. Maurizio says the metal plates are factory made, while the plastic plates are generally made privately for motorists.
Lao bicycle plate used ca. 1987
Lao Army car plate
Lao Embassy car plate
Lao Police car plate
Lao Police motorcycle plate
Lao motorcycle (privatel made, plastic) plate from Khammouane
Lao government motorcycle plate from Luang Phabang