Any Ideas Why This SBA is Getting Bids?

SBA on Ebay. Please note i'm not trying to promote this item, as it is mine. It doesn't need promotion it seems. I'm wondering why this coin is even getting any bids. I bought it a few years back for $5! I figured, well this is a junk coin, maybe i'll get $2 or $3 for it. But now it's getting close to $30! What's the deal? Did I screw up or something?
Scott Hopkins
-YN Currently Collecting & Researching Colonial World Coins, Especially Spanish Coins, With a Great Interest in WWII Militaria.
My Ebay!
-YN Currently Collecting & Researching Colonial World Coins, Especially Spanish Coins, With a Great Interest in WWII Militaria.
My Ebay!
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Comments
Did I screw up or something?
Only if you had listed it for $5.00 in BIN.