Mastermap doesn't contain hachures like you find on the 1:50000 and 1:25000 maps. Instead, what you get are the polygons you are seeing. These define the tops and bottoms of banks.

It should say Perth and Kinross rather than Fife.

I've sent you an email so please let me know if you can't find it.

Looks like a temple to the Ordnance Survey bench mark.

Thank you!

Thank you 😊

Ha!

Thanks. I'm so pleased I went to see this at the British Museum a couple of years back.

Why is there such certainty they are hats? It doesn't look obviously like a hat.

I found out so far that Philippines is not importing & few got anything, Costa Rica used some bivalents up but those are both LMIC’s. This is from Australia, a comparable country & not even healthcare got priority.