Is There Any Way To Prevent This Crud In 2x2 Flips?

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Author	Replies: 7 / Views: 1,151
Brandmeister Pillar of the Community United States 6451 Posts	Posted 03/28/2025 3:43 pm I assume this is moisture or something causing an interaction where the Mylar touches the coin? How do you stop that? Further, will this eventually result in damage? Report this Post to the Staff

ijn1944 Bedrock of the Community United States 19110 Posts	Posted 03/28/2025 6:16 pm Interesting. I've never had an issue with 2x2s with any kind of coin over many, many years--but that's only my experience in a relatively low humidity environment. Report this Post to the Staff
Brandmeister Pillar of the Community United States 6451 Posts	Posted 03/28/2025 7:25 pm This was sent up from Texas. I assume high humidity. I'm wondering if this will eventually happen to other flips in my collection. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 03/28/2025 7:54 pm with both of the above comments and together, provide the answer to the question. Report this Post to the Staff
jbuck Moderator United States 187525 Posts	Posted 03/31/2025 12:13 pm Yikes! Never seen anything like that. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
autocoupler New Member Australia 42 Posts	Posted 05/04/2025 07:42 am I've had a similar experience where 2X2's were stored in PVC laced pages, which leeched through the mylar of the 2X2 and left similar deposits on the coins. Still see coin dealers flogging this rubbish to the unsuspecting. Report this Post to the Staff
Keith67 Pillar of the Community United States 6500 Posts	Posted 05/04/2025 08:23 am What kind of 2x2 are we talking about? Photos of the whole coin would be nice And just guessing that's a 1975-1976 US quarter Report this Post to the Staff
autocoupler New Member Australia 42 Posts	Posted 05/04/2025 9:30 pm The 2X2's I referred to are the cardboard type with a film of mylar covering a window. I have no doubt that if PVC free saflips were used and stored in the same soft plastic pages, a similar result would occur. It's the soft PVC laced pages, which are the problem. Report this Post to the Staff
	Replies: 7 / Views: 1,151

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