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Cathal. A lovely pattern-change lower, nearer the opening. I wonder what causes this...
See mine here
Have you collected a 5cm one? Seems large
THREE MARINE PROJECTS
Yes Derek there is an unusual division in the shell near the opening- not typical. I havent seen a 5cm one, possibly approaching 4cm but I think I must have found that size limit in MarLIN or another website. 5cm long would be quite large?
Lat/Lng: 55.0538, -6.0397
OS grid ref: NW420807