The value of a 250 dollar Apple Store gift card in Naira fluctuates constantly because exchange rates are determined by the current market demand and the specific platform you choose to sell it on.

Depending on whether you are selling a digital, ITunes, or physical card, the standard rate usually ranges between 1.56 and 1.65 Naira per dollar, which means a 250 dollar card is typically valued between 390,000 and 412,500 Naira before any deductions.
Keep in mind that selling your gift card involves service fees, so the final amount credited to your account will be the total value minus these operational costs, which vary from one service provider to another.