Are there any elements on the one pound coin (England) currency designed to keep from being counterfeited?

Why does England and the Commonwealth still need a queen? Queen Elizabeth barely does anything anymore, the British government governs everything now and yet she’s on the Canadian currency. All the royal family does now is gouge our pockets, party...
Are ancient counterfeit coins valuable? (counterfeited during ancient time) I want to buy a roman coin but it might be have been counterfeited during ancient times…is it worth buying? It is worthless?...
Why does the Queen of England no longer wear a crown on Canadian coins ? prior to ?2001? the image of Queen Elizabeth, on Canadian coins, always wore a crown....
What time of year is best to convert Canadian currency to Australian currency? I’m travelling to Australia in early January and I’m wondering if there is any time of year that is best to convert my Canadian money to Australian money, or will...
can i exchange old CANADIAN currency( 2 dollar bills) for new currency? but there not in mint condition their used, but some i have in really good condition would that affect the sale price?...