sharks teeth found at walton on the naze

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after finding out that you can actually find sharks teeth there i booked a hotel for 4 nights just down the road in holland on sea.only took about 15minutes to get to the naze and then had to pay £4 for parking.so as i read on the forums you should go left at the bottom of the steps to find the teeth.3 days later and after 9 hours i had got 5 in total.not so easy to find and you had to be bent over or on your hands and knees to find them.last day came and i went right just to have a look and found more than i did in 9 hours just looking at the edge of the sand.the teeth were just sitting there and so much easier to pick up.sadly no monsters but i did find a fish vert aswell as a much broader tooth that i can not as yet identify.it is about 3/4 of an inch long and maybe from a much larger shark compared with the rest that are from the usual sand shark.question is does anybody know what the bigger one is from ?.