Likely done with acid and a small brush. Looks pretty good for a zinc.
“The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.” – George Bernard Shaw. Why Copper Bullion ~~~ Interview with Silver Bullion Producer Market Harmony Passive Income blog
SELLING COPPER PENNIES 1.4X FACE SHIPPED......“I sincerely believe that banking establishments are more dangerous than standing armies, and that the principles of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale” Thomas Jefferson
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them. -- Thomas Jefferson
Perhaps this bust of Lincoln sanscopper could be adopted by the U.S. Mint. Then the savings of using lesser copper could possibly keep our penney rolling of the presses for another decade or so!
I found it searching the internet for copper something or other. I was looking for images and this popped up.
“The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.” – George Bernard Shaw. Why Copper Bullion ~~~ Interview with Silver Bullion Producer Market Harmony Passive Income blog
Slightly off topic, but I wonder if there's any sense in keeping some zinc pennies found with toning. Some of them look like they have some monster toning going.