Trigometric Offers Southeast Asia Rarities Certified by NGC and PMG

Hundreds of Asian coins and banknotes, including a gold commemorative certified by Numismatic Guaranty Company® (NGC®) and a seldom-seen Sungei Buloh Settlement Dollar certified by Paper Money Guaranty® (PMG®), are being offered in an upcoming Trigometric auction. The Trigometric August 2025 Auction – Session 1 is set to end on August 2, 2025, while Session 2 will end on August 3, 2025.

The top NGC-certified coin in the sale is a Singapore 1969 Gold 150 Dollars - Founding of Singapore graded NGC MS 66 (Session 1, lot 1350), which has an estimate of RM11,000 to RM14,000 (about $2,600 to $3,300). This beautiful gold coin was issued to commemorate the 150th anniversary of Singapore’s founding, specifically celebrating the day that Singapore was established as a trading post by Sir Stamford Raffles, a British colonial administrator. As of July 2025, NGC has certified 557 examples of the 1969 Singapore Gold 150 Dollar commemorative, according to the NGC Census.

Click images to enlarge.

Other NGC-certified coins in the auction include:

• a Singapore 1969 Gold 150 Dollars - Founding of Singapore graded NGC MS 64 (Session 1, lot 1349), which has an estimate of RM9,500 to RM12,000 (about $2,200 to $2,800)
• a Malaysia 1971 Gold 100 Ringgit graded NGC MS 65 (Session 1, lot 1337), which has an estimate of RM8,000 to RM9,500 (about $1,900 to $2,200)
• a Malaysia 1971 Gold 100 Ringgit graded NGC MS 64 (Session 1, lot 1336), which has an estimate of RM7,500 to RM8,500 (about $1,800 to $2,000)
• a Malaysia 1971 Gold 100 Ringgit graded NGC MS 64 (Session 1, lot 1335), which has an estimate of RM7,500 to RM8,500 (about $1,800 to $2,000)
• a Malaysia 2006 Gold 100 Ringgit graded NGC PF 69 Ultra Cameo (Session 1, lot 1343), which has an estimate of RM6,000 to RM8,000 (about $1,400 to $1,900)
• a Malaysia 1971 5 Ringgit graded NGC PF 68 Ultra Cameo (Session 1, lot 1271), which has an estimate of RM5,500 to RM8,000 (about $1,300 to $1,900)
• a Malaysia 2002 Gold 100 Ringgit graded NGC PF 69 Ultra Cameo (Session 1, lot 1340), which has an estimate of RM5,000 to RM7,000 (about $1,200 to $1,600)

Meanwhile, the PMG-certified banknotes in the sale are led by a British Malaya, Sungei Buloh Settlement 1936 Dollar graded PMG 35 Choice Very Fine (Session 2, lot 2444), which has an estimate of RM38,000 to RM60,000 (about $8,900 to $14,100). Part of the currency of the Sungei Buloh Settlement, this British Malaya note was issued as leprosy colony money — a special currency that was sanctioned for use only in leprosy colonies for fear that casual contact with money would spread the deadly disease. Many of these notes were destroyed and have become very rare.

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Other PMG-certified banknotes in the auction include:

• a Malaysia, Bank Negara 2017 600 Ringgit Commemorative graded PMG 68 Superb Gem Uncirculated EPQ (Session 2, lot 2033), which has an estimate of RM18,000 to RM30,000 (about $4,200 to $7,000)
• a Malaysia, Bank Negara ND (1981) 100 Ringgit graded PMG 64 Choice Uncirculated (Session 2, lot 2132), which has an estimate of RM12,000 to RM18,000 (about $2,800 to $4,200)
• a Singapore ND (1967-73) 5 Dollars Proof graded PMG 63 Choice Uncirculated EPQ and a PMG-certified Singapore ND (1967-73) 5 Dollars Lithographic Underprint (Session 1, lot 1700), which has an estimate of RM10,000 to RM20,000 (about $2,400 to $4,700)
• a British North Borneo / British Administration 1884-1920 1 Dollar graded PMG 25 Very Fine (Session 2, lot 2422), which has an estimate of RM8,000 to RM24,000 (about $1,900 to $5,600)
• a Malaysia, Bank Negara ND (2001) 50 Ringgit Specimen graded PMG 65 Gem Uncirculated EPQ (Session 2, lot 2066), which has an estimate of RM8,000 to RM20,000 (about $1,900 to $4,700)
• a Malaysia, Bank Negara ND (1987) 1,000 Ringgit Replacement / Star graded PMG 65 Gem Uncirculated EPQ (Session 2, lot 2189), which has an estimate of RM11,000 to RM18,000 (about $2,600 to $4,200)
• a Malaysia, Bank Negara ND (2012) 20 Ringgit with a Solid-8 Serial Number graded PMG 68 Superb Gem Uncirculated EPQ (Session 2, lot 2039), which has an estimate of RM10,000 to RM16,000 (about $2,300 to $3,800)

All estimates are provided by the auction house. The $ symbol represents US Dollars.