Recently received a brand new camera (Nikon D5200) with a macro lens (AF-S Micro Nikkor 60mm f/2.8G ED) and speedlight (SB-700 AF) and snapped some gorgeous shots of the crown jewel in Casascius error coins:
The Golden Heart Silver Round /w Gold Rim & BTCThis gem was received directly from Mike (Casascius) from one of the last batches shipped around December, 2013. It was the only defective 'error' coin in the roll of twenty. It appears something went wrong during the electro-plating process and a spot, very much resembling a heart, was gold plated to the left of the
BTC symbol, and it's absolutely stunning.
I sent a request in to Mike for a PGP signed PDF and am still waiting on a response. In the process of gathering as much documentation possible to proof the legitimacy of this coin. Under the photos listed below is a conversation between Charlie and Mike regarding this coin which adds some credence to these type of defects.
Asking 10BTC or better. I feel it's worth much more as it's absolutely one-of-a-kind, but feel comfortable starting at 10.
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Here's a quote from a previous post of a conversation between Charlie Sherm and Mike Caldwell adding some credence to such type of defects.