Neighborhood kids or hikers might find a mine shaft intriguing--post this sign to clearly indicate a mine is active, dangerous, and private property.
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Size: 12" x 18" Material Type: Heavy-Duty Aluminum Sign, 63 mil Verified Purchase
Just what I needed for my basement "mining operation"Ordered as a novelty sign to hang over my crypto currency mining rigs. Good quality aluminum sign with flawless printing. Shipped quickly and arrived well-packed. Perfect!