Hold on -- like this 49lb  Manhole Cover that has Anti-Reverse Steel Bolts concealing private key to 0.01 $BTC.

This is a 1/1 but there will be 2 similar pieces in this collection to come in the future.

It sold for 1.0BTC, or 100x the value concealed on its private key. https://t.co/6PrRg1XmAo