50 Centimes - Norodom Sihanouk Essai

Cambodia's 1953 coinage was struck in Paris as the country moved toward full independence from France, which came in November of that year. These essai pieces — trial strikes produced by the Monnaie de Paris as proofs of accepted designs — were never released for general circulation. They exist almost exclusively in collector hands, distributed through the French mint's long-standing practice of selling essais directly to numismatists and subscription holders.

The aluminium composition is notably heavier than the production norm for the metal, suggesting the essai may have been struck on a different planchet specification than any coin intended for eventual circulation.