Scientific Laboratory test on Tin coins

C) Based upon the scientific laboratory test conducted by Jabatan Kimia Malaysia , for the following Tin Coins sent, on 19th September 2002, as strongly recommended by PERZIM Melaka, where we quoted as what Chemistry Department of Malaysia authenticated & reported. In their Report No: MAKMAL (PJ) PER 673/02, Keputusan Ujian Kimia Atas TinCoins Melaka, dated 19 September, 2002, signed by the Director General of Malaysia Chemistry Department, Chang Hon Fong :-

(C) Dataran Merdeka, 80 acres present sites of Mahkota Parade/Parkson Shopping Mall, where 3 shipwrecks found, when reclamation project carried out in 1983, with lots of Portuguese's & Dutch tin coins, those primitive tin coins originated from pre-Malacca Sultanate and during the period of Zaman Kesultanan Melaka, in form of animal shape, some combined with Arabic and Chinese influences, with 80% Tin composite and 20 % Lead, as what Department of Malaysia Chemistry’s test conducted in 2002 and shown. Also discovered many Ming &Qin Dynasty’s ceramics, blue & white, some found Song Dynasty celadon….;

D) Kota Laksamana’s housing projects, Tranquerah, Klebang Kecil, Limbongan and Klebang Besar, tin coins and Ming/Qin Dynasty’s celadon and ceramic ;
(E) along the Sg Melaka when clearing & beautification project of river conducted in 2002-05, near areas of Pringgit, Kg Morten, Pengkalan Rama, Kg Hulu, Kg Pantei, Jalan Kota, Jalan Parasmewara, in front of Stadhyut & Clock Tower.

E) This new discovery in 2002-2005, mostly found are Portuguese coins in form of Dinheiro and Bazarucco, but, most of the tin coins are seriously eroded and highly oxidized, due to the movement of shallow fresh water of Sg Melaka (Melaka River), not like those found early in 1970 – 1980, from the thick black muddy areas of sea front of Straits of Malacca along the Bandar Hilir to Klebang Besar, especially those areas within the complex of Kompleks Warisan Melaka, that is why most of the tin coins contained in this well protected mud, deep in the 2-5 meter sea water, when discovered from this areas, are found in good condition, some remain intact, with clear design and wordings.

(F) Dumping sites at Semabok and construction of Public Bank premises in early ’70 & etc….
(G) Reclamation and housing development projects carried out in the areas of Melaka Raya, Parkson Parade, Kota Laksamana, Fly Over, Tranquerah, Klebang Kecil & Klebang Besar, Limbongan, from ‘1980 to 2004, a lot tin coins found, together with ceramics and celadon of Song, Ming & Qin Dynasty, blue and white form the majority.