The fuel in a car can't be put back. There is no choice but for it to leave with the driver upon payment, provided it is legal tender, of which a £50 is. A shop keeper is fully entitled to refuse payment of any coins or notes. On the other hand they are able to be paid in jelly babies if they so wish.
This month, most of the euro zone’s national central banks stopped recirculating the €500 note (worth about $570 at the moment). Two holdouts, Austria and Germany, will phase out the common Greek Drachmae are now obsolete. At Leftover Currency we specialize in the exchange of obsolete currencies, like the Greek Drachma. Our online exchange service is quick, easy, secure and free of charge. We exchange both Greek Drachma banknotes, as well as Greek Drachma coins. To convert your Greek Drachmas to cash, select the type of Greek
£500 White. Date first issued: Between 1725 and 1745 Date ceased to be legal tender: 16 April 1945 Colour: Monochrome (printed on one side only) Size: Approx 8 1/4" x 5 1/4" (211mm x 133mm) Design: Notes in earlier years are slightly smaller. £500 notes issued by some Bank of England Country Branches from 1826. Download £500 White image (jpg)
Still, according to the same survey, a third of all euro banknotes are used for transaction purposes and 20 to 25% are held abroad. That leaves a bit less than half as store of value in the eurozone but not circulating. There are also subtler differences beyond the use of banknotes with a high face value.
Central Bank confirms that currency exchange services remain in place. 13 September 2022 Press Release. The Central Bank of Ireland has today (13 September 2022) confirmed that it continues to exchange old Irish pound notes or coins for euro and has no plans to withdraw this service. Director of Currency at the Central Bank Bernard Sheridan said: hxIl7WS. 268 128 244 366 476 153 123 375 186

can you still use 500 euro notes