Obsidian Black Card is a card that offers users the purchase and sale at different points of sale where they accept Visa, being a limited card it has few credit cards in the market, one of the positive points of this card is that Provides a 2% refund on purchases made. Regarding the collection fee, this will not have any fee as long as it does not exceed the limit of $ 1000 per month by the ATM, if this occurs it will begin to charge a 2% fee.