The Samsung Galaxy C5 and Galaxy C7 went official a month ago and at the time, it was heading only to China. This exclusivity didn't last and now the FCC has certified both, suggesting the C-series will land in the US. Of course, this isn't officially official, so details like launch date and price are unclear. Considering the C5 and C7 are similar in specs to their A5 and A7 counterparts, I'll guess the prices will be around $320 and $380 respectively. Source 1 Source 2 | Via
Source: http://www.gsmarena.com/samsung_galaxy_c5_and_galaxy_c7_certified_by_the_fcc-news-18940.php