Discovered a stripe on the bottom edge of the block, how could it appear?



The author posted a question in Arts Culture

Discovered a stripe on the bottom edge of the block, how could it appear? and got a better answer

Response from
is it lying or standing? it doesn't look like mold. or dust, or a trace from the storage place, or maybe it got a little wet and dried out in that spot?

Response from 0[+++++]
is it lying or standing? it doesn't look like mold. or dust or a trace of storage space or maybe it got a little wet and dried out in that spot?

Response from 0[+++++]
If this is significant you can go to a printing shop - at least there is a service where I went to paint one or three sides of the block inexpensively

 

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