[Rockhounds] Chalk from the White Cliff's of Dover?

[Kreigh Tomaszewski]

I am looking to acquire a specimen of chalk from the white cliff's of Dover
for my educational collection I take into school classrooms. I am told it
is currently a protected area with no collecting.

I see that tons of specimens fall into the sea
http://www.dailymail.co.uk/news/article-2114912/White-Cliffs-Dover-Thousands-tons-chalk-crash-sea-large-section-collapses.html

I want a specimen because of the micro-fossils
https://gizmodo.com/how-tiny-algae-helped-form-the-famous-white-cliffs-of-d-1786782704

I know historical specimens have come up for sale
http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/picshow.php?id=28885

Surely there must be specimens available. Can anyone on the list help me
find an available specimen of Chalk from the White Cliff's of Dover?

Kreigh