/biz/ - Business & Finance

>>55339193
Cheapest option is buying coins with a good distinctive sound and using a mobile-phone app to see if the frequency is correct, tungsten doesn't sound like gold and gold sounds different depending on coin..
https://www.youtube.com/watch?v=zEK2Ab4wxbo
For stuff like on the left of the pic, you'd need a reputable seller or own testing equipment as there is no reference data available, but these are collecting, not investing coins anyway.
You'd usually stay with the stuff on the right for buying gold, not for buying a bit of history for fun.
Some newer coins like the current gen Britannia have a structure hard to fake as added safety feature.
https://www.youtube.com/watch?v=pGDHNwPJR-E

Large bars are harder to test, equipment getting through the material is 1.5k +. Testing is possible through the plastic blister-pack.

>>54625759
>>54625101
Reposing the clean one

>>54615854

Was putting my stuff in new cases and figured some of you might appreciate a size comparison considering some might be tempted to order one as the 1966 and 2022 both don't usually show up at a local shop.
Best description I can come up with handling them is that the 1966 coin feels like a centenario-sized krug and that the 2022 could be seen as DIY attempt of a Britannia or Kangaroo.