News Safaricom unveils new, low denomination top up card By Oluniyi D. Ajao - 27th January 2006 Mobile phone service provider, Safaricom, today unveiled a new, low denomination top up card of KShs 50; it becomes the lowest denomination top up voucher in Kenya. RelatedYellow Card Launches Five New CryptocurrenciesMastercard and Ukheshe to Launch Virtual Card Solution