Indonesia 50 sen Irian Barat Pattern KM-Pn6 SP 64 PCGS aluminum coin 1962 - 1965

The Indonesia 50 Sen Pattern coin dated 1962–1965 is a remarkable and scarce numismatic issue, cataloged as KM-Pn6. Struck in aluminum and certified SP64 by PCGS, this pattern coin represents an experimental design created during a transformative period in Indonesian history. Associated with the Irian Barat coinage series, it reflects the nation’s efforts to establish a unified monetary system while reinforcing symbols of sovereignty and national identity.

One side of the coin displays the denomination “50 SEN” at the center, encircled by a decorative wreath composed of flowering branches and laurel leaves tied together at the base. The date “1962” appears below, emphasizing the intended issue year. The opposite side features the Indonesian national coat of arms, a shield bearing symbolic elements and a central star, positioned above the denomination. Flanking the shield are stylized agricultural motifs, including rice stalks and cotton blossoms with leaves, representing prosperity and social welfare. The date “1965” appears above the emblem, creating a distinctive dual-date pattern design.

Certified SP64 by PCGS, this specimen retains strong detail and attractive surfaces. As an official pattern issue rather than a regular circulation coin, it offers exceptional appeal for collectors of Indonesian coinage, pattern coins, and historical numismatic rarities. Its unusual design and limited availability make it a standout addition to any advanced collection.

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