1940 Halfpenny Thin Coin - 3.2 Grams Only...

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Author	Replies: 5 / Views: 3,180
bobo13 Valued Member Bulgaria 474 Posts	Posted 07/04/2011 11:28 am Found today this coin - british halfpenny from 1940 but thin similar to Ceylon one cent coins from the same period. Weight 3.2 grams only, normal coins are 5.6-5.7 grams. What do you think about this coin... Report this Post to the Staff

DVCollector Bedrock of the Community United States 10045 Posts	Posted 07/04/2011 1:00 pm The eroded design and wiry lettering suggest to me the coin was dipped in acid. It looks very much like acid dipped coins posted to the forums. Report this Post to the Staff
bobo13 Valued Member Bulgaria 474 Posts	Posted 07/04/2011 1:08 pm Thanks for the reply, you're probably right. Report this Post to the Staff
molydeii Pillar of the Community Turkey 870 Posts	Posted 07/08/2011 07:11 am Bobo = I think this might be a thin planchet. Acid probably eroded the coin randomly, not leaving a perfect planchet shape, in my opinion. However, wiry lettering may suggest some strong acid dip, the coin may still be struck on a thin blank, and may be dipped to acid afterwards. I've both seen (the examples of) and heard that back in 20's, 30's and 40's coin dies were washed with acid before and after heavy use - this may be an example of this practice, and may be dipped in acid afterwards by an ignorant collector. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 07/08/2011 08:31 am I have an uncirculated but thin 1967 penny that is about 30% underweight. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 07/08/2011 11:41 am The eroded denticles and rim and microporous surfaces are strongly indicative of acid damage. Report this Post to the Staff
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