Indonesia 1974 5000 rupiah
This specimen was lot 71074 in Stack's Bowers Collector's Choice sale (Santa Ana, CA, May 2018), where it sold for $312. The catalog description noted, "INDONESIA. 5,000 Rupiah, 1974. NGC PROOF-68 ULTRA CAMEO. Wildlife conservation series. Orangutan. Brilliant with hard mirrored fields and frosted cameo devices. No spots, fog or tone." This NCLT was accompanied by a silver 2000 rupiah (KM 39) and gold 100,000 rupiah (KM 41).
Recorded mintage: 43,000 (KM 40) plus 17,000 proofs (KM 40a).
Specification: KM 40: 32 g, .500 fine silver; KM 40a: 35 g, .925 fine silver, both 42 mm diameter.
Catalog reference: KM 40 or KM-40a.
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1901-2000, 42nd ed., Iola, WI: Krause Publications, 2014.
- Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
- Ponterio, Richard, Kyle Ponterio and Chris Chatigny, The May 2018 Collector's Choice Sale, Santa Ana, CA: Stack's Bowers LLC, 2018.