Sudanese small shield with spear tip ?? on eBay

[VANDOO]

YOU ARE CORRECT IT IS TURTLE SHELL BACK AND BELLY. WE HAVE A SPECIES OF SOFTSHELL TURTLE HERE AND I HAVE EATEN ONE AND ARTICULATED ITS BONES. THE SIZE THEY GROW TO HERE IS 6 TO 30 INCHES (15 TO 76 CM. THE FEMALES BEING MUCH LARGER. THEY LIVE IN FRESH WATER MOSTLY RIVERS HERE AND ARE THE FASTEST TURTLE ON LAND ITS UNLIKELY YOU WILL BE FAST ENOUGH TO CATCH ONE BEFORE HE GETS TO THE WATER. MOST OF THE SHELL IS SOFT AND FLEXABLE WITH BONE AT THE CENTER. THE BELLY PLATE IS MADE UP OF FOUR LARGE BONES AND FLEXABLE NO DOUBT THAT HELPS THE THING RUN SO FAST AND FLATTEN OUT AND BURY ITSELF IN THE SAND. WE HAVE THREE SPECIES HERE IN NORTH AMERICA,THEY DO HAVE THEM IN AFRICA BUT I DON'T KNOW THE SIZE OR IF ITS THE SAME SPECIES.
I THINK THERE WAS A OLD POST ON A SHIELD SIMULAR TO THE SECOND ONE USING THE BACK PLATE.