Holographs! How Do They Do It? - Coin Community Forum

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Author	Replies: 8 / Views: 1,361
Hepcat New Member Canada 24 Posts	Posted 02/21/2013 3:43 pm The Royal Canadian Mint has been issuing numerous gold and silver coins displaying a holographic image for several years now. This fifty cent butterfly coin from earlier this century is a good example: How does the Mint get the holographic image though? Is it just a case of doing multiple misaligned strikes, or is some foreign material such as plastic or glass applied to the coin alloy during the striking process? Edited by Hepcat 02/21/2013 3:44 pm Report this Post to the Staff

wettld2 Valued Member Canada 269 Posts	Posted 02/21/2013 3:53 pm I am pretty sure that they do it by making several strikes to the surface of the coin.... whether it is intentionally misaligned or not I can't say for sure. Report this Post to the Staff
Silveroid Pillar of the Community Canada 6768 Posts	Posted 02/21/2013 3:56 pm Want to believe, that it isn't some type of the tricky holographic sticker. Report this Post to the Staff
bpoc1 Rest in Peace United States 4078 Posts	Posted 02/21/2013 4:07 pm Good Question! Booked to keep me informed. Report this Post to the Staff
john100 Pillar of the Community Canada 5324 Posts	Posted 02/21/2013 4:21 pm laser etched designs Report this Post to the Staff
poboxw Pillar of the Community Canada 1502 Posts	Posted 02/21/2013 4:34 pm ^^^ agree It's laser etched Report this Post to the Staff
Hepcat New Member Canada 24 Posts	Posted 02/21/2013 4:51 pm So you're saying they carve into the coin's surface using a laser but without adding any foreign material to the silver or gold alloy? Report this Post to the Staff
poboxw Pillar of the Community Canada 1502 Posts	Posted 02/21/2013 6:22 pm yes. doesn't take much to change the angle of relection on a relatively soft, mirrored surface. Laser etches isn't exactly a hammer and chisel process :) Report this Post to the Staff
wettld2 Valued Member Canada 269 Posts	Posted 02/22/2013 9:01 pm Makes sense. Report this Post to the Staff
	Replies: 8 / Views: 1,361

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