Dr Gale J Raymond, in his article ""UNTAC Cambodia: Namibia Peacekeeping Forces" published in ICP #128 (The Indo-china Philatlist, journal of Society of Indo-china Philatelists), gave the information that two French meter postage stamp machines were brought to Phnom Penh in early 1992. They were supposed to solve the problem of high denomination postage stamp shortage. Below serves as a quick glance over their 1992-1999 service period.

This outoging cover from Phnom Penh dated 29th February 1992 has an early use of French meter stamp. Meter stamp usage can be generalized in four categories.
As inflation was making most stamps inadequate for international postage, postal clerks simply franked an obsolete low face value stamp on mail, then cancelled it by meter stamp which paid the actual postage. The cover shown above falls into this category, 950r meter on a 5r stamp.
Sometimes no stamps were used, only the meter stamp was applied. Maybe the postal clerks finally realized that mail could go without a postage stamp, or they were too lazy to find one. Here is a fine example of meter with no postage stamps, another cover from Phnom Penh to Washington DC.

Meter stamp was used in a supplementary way when "practically usable" postage stamps were handy. In 1993 it was quite common that partial postage was paid by postage stamps, and the rest filled up by meter. This UNTAC cover features a 50r stamp with 480r supplementary meter postage.

The fourth usage was, when high denomination postage stamps were in sufficient supply again in 1994, the meter machine then used for cancellation only, or for parcel postage. The 1995 cover below was franked with a 1500r stamp which paid all the postage, meter machine was for cancellation.
To my observation, all meter postage machines ceased service in late 1999. Starting from 1998 Cambodia had some new machine cancellations, but they were merely killers without bearing postage.

Meter machines were available not only in Phnom Penh. There are examples of meter stamps from other cities and places. The UNTAC cover shown before bears a meter stamp of Chbar Ampeou, a commune in southeast of Phnom Penh. Below is a meter stamp from Kampong Cham, the capital of Kampong Cham Province.

If the CPO had 2 meter machines or more, there is no sign on the franking to distinguish them. Interesting enough, there is a variation with a little cross in each side of the spacing between the French and Khmer words on the round datemark. It is not known if this variation is from the CPO or some sub offices in Phnom Penh.












