This is what a bag of anthracite coal looks like. Some pizzerias...

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This is what a bag of anthracite coal looks like. Some pizzerias...

This is what a bag of anthracite coal looks like. Some pizzerias in NYC get it delivered by shovel, right off the back of a truck. Others get it bagged like this. “Stove Coal” refers to the coal’s size, which tends to allow for better air flow and therefore better burn.