Strange, I've seen pfennig & pfenning, both of which are old german coins or currency, but I've never seen pfening.
Thanks, great information!
I've been buying clad and silver sets from http://www.collectons.com for years and I've never had a problem.
Hi Elaine. Haze is pretty natural for a modern proof set, whether it's silver or clad. Those sets do open and close easily, so you could pop them...
The Whitman 9118 (http://www.collectons.com/shop/item/3568/Whitman-Classic-Mercury-Dimes-1916-1945-Album-9118) and the Littleton LCA2...
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