Ammonites!
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big one ~ 20cm - 8in
my first big, entire ammonite :-) about 10.5cm - 4in	involute shape ~ 6.5cm - 2.5in
~ 7.5cm - 3in	very flat, peaked fragment ~ 9.5cm - 3.7in
~ 7.5cm - 3 in	~ 5cm - 2 in