I was born in 64. I can remember some of the coins as play things and several of them transitioned across to the new system, so stayed in circulation. Some may have already been phased out by decimalisation date (I’m thinking florin and maybe threepenny bit).
Don’t think I ever learnt the notations

What about grey or red oxide? You clearly missed out!

Done

As a born and bred Yorkshireman, I see no need for the wrapping 😉😂

Very vague germanics, probably getaway with 3rd through 10th c. Just need to add some different command elements to specify them for any particular incarnation

Why do I think it looks about four feet tall 😳😂

Don’t get too high on the fumes!

A thunderbolt no less

That’s….very interesting

Just tell people that you pay a fortune to have those flashes put in. Or just tell them going grey beats the alternative…

Hiding them well 😉😂

I always loved 11:59