WELCOME TO THE FORUM!!
I THINK SONGYE WOULD BE A GOOD GUESS BUT NOT BEING AN EXPERT AND YOUR AX IS DIFFERENT FROM THE OLD ONES I HAVE SO I CAN'T CONFIRM IT FOR YOU. A PICTURE OF THE AX HEAD WOULD HELP THE AFRICAN AX SPECIALISTS PIN IT DOWN FOR YOU. AN ATTRACTIVE AX CONGRADULATIONS AND GOOD LUCK ON YOUR SEARCH FOR INFORMATION.