Asking For Help Identifying Foreign Coin (with photographs)

[Half-Hound]

The coin has a diameter smaller than a half, but larger than a quarter. The edge looks like a 90% silver coin, but the date is 1983. I really don’t think it is silver, but it is certainly too heavy to be aluminum. Obverse (?) says: “REPUBLIQUE” and “FRANCAISE” and “I E O M” and has a female image similar to Miss Liberty. Reverse (?) says: “20” and “POLYNESIE” and “FRANCAISE” and has an image of what may be a breadfruit branch with fruit.

Does anyone know the national origin of this coin and what the metal composition may be?

Thanks for any help.

Half Hound

 

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[coolpix9]

http://worldcoingallery.com/countries/Polynesia.php

 

[65gt350]

Here is the information about its composition.

HH,
65GT350

KM# 9 20 FRANCS
10.0000 g., Nickel, 28.3 mm. Obv: Capped head left, date and
legend below Obv. Leg.: I. E. O. M. Rev: Flowers, vanilla shoots,
bread fruit

 

[Cerulean]

Worth USD $0.216 at today's exchange rates.

 

[SFBayArea]

French Polynesia