I too saw this shard about an hour after Bram did and was equally stunned. I went to the mud flats with Kevin and we gave it the old college try, no more shards but I did get two boots full of seawater.
I was praying you didn't fall over in the mud,
because I would not have been able to stop laughing! I am sure many were watching from the comfort of their homes saying what are those two idiots doing? Good times!
JKL thanks!.... jarhead67 you are quite right, many tough to get items do come up on ebay!....and thanks for recognising the fact that just these bottles alone are quite the grouping, pretty amazing...