In Nigeria, selling a Google Play gift card worth 250 can be achieved through several steps. Firstly, it's important to find a reliable platform or community where potential buyers are present. This could be online marketplaces dedicated to such transactions or local groups focused on digital goods exchanges.

Once you've identified the right place, create a clear and attractive listing. Mention the value of the gift card, which is 250 in this case, and provide details about its authenticity. Let potential buyers know that it can be used to purchase various apps, games, movies, and other content on Google Play.

When communicating with interested buyers, be prompt and professional. Answer their questions accurately and provide any necessary assistance. Ensure a smooth transaction process, perhaps by using secure payment methods or following the established norms of the platform you're using. This will help build trust and increase the likelihood of successfully selling your Google Play gift card.