WWF Wildlife Conservation Silver Proof Coins, Weight Question

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Author	Replies: 4 / Views: 1,114
Numister Pillar of the Community Singapore 631 Posts	Posted 09/14/2023 09:33 am Hi all, I have a few of these 1970s Wildlife Conservation Silver Proof Coins but they all don't weigh exactly like what the online resources state them to be. For example, pictured here is the Colombia 500 Pesos 1978, it's stamped on the coin 28.28g but weighs in reality 28.8g. They all seem to be 0.3 - 0.5g heavier, is this normal? For all intents and purposes they look right it's just the slight weight discrepancy that is bugging me. Edited by Numister 09/14/2023 09:52 am Report this Post to the Staff

joewobblie Valued Member United States 238 Posts	Posted 09/25/2023 12:25 pm Just a few comments - not sure what the answer is. I have some of these from 1986 and the certificates say most are at 28.28 gm but one is at 27.22 gm. These were both made at the Royal British Mint. Perhaps they got mixed up with the blanks with yours? I guess that might explain one but not many variances. Yours looks good and I doubt it is worth the effort to counterfeit. Report this Post to the Staff
Albert Pillar of the Community United States 1917 Posts	Posted 09/25/2023 5:23 pm The device weighing the coins and accurate calibration are things I would question. Report this Post to the Staff
Numister Pillar of the Community Singapore 631 Posts	Posted 09/26/2023 01:13 am Lol, when the coins look so good that the equipment comes into question, thanks guys Report this Post to the Staff
Albert Pillar of the Community United States 1917 Posts	Posted 09/26/2023 07:24 am Another factor we don't talk about so much is that I very seldom find (if any at all) I don't come across coins that match the stated weight in popular publications. I do have listings of mint production details showing specified weights, but also a small allowable deviation of plus or minus a little. Report this Post to the Staff
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