The Eu Is Being Quite Hard On The UK After Brexit For Vat

I received this from London Ancient Coins and I would have thought the EU would have a single VAT to charge the UK dealers. Seems quite cruel perhaps the varied nature of these:

Dear Customer,

--->The UK left the single market on 1 January 2021...
Please check below your country's VAT tariffs
for antiquities and coins When you receive the parcel check that the
correct rate has been applied, if not ask to
the courier agent to apply the correct tariff.<---

1 - Austria 13%
2 - Belgium 6%
3 - Bulgaria 20%
4 - Czech Republic 15%
5 - Denmark 25% **
6 - Cyprus 5%
7 - Croazia 25%
8 - Estonia 20%
9 - Finland 10%
10 - France 5.5 %
11 - Germany 7%
12 - Greece 24%
13 - Hungary 27%
14 - Ireland 13.5 %
15 - Italy 10%
16 - Latvia 21%
17 - Lithuania 21%
18 - Luxembourg 8%
19 - Malta 5%
20 - Netherlands 9%
21 - Poland 8%
22 - Portugal 6%
23 - Romania 19%
24 - Slovakia 20 %
25 - Slovenia 9.5 %
26 - Spain 5.5 %
27 - Sweden 12%

**(In respect of Article 103, Denmark reduces the taxable amount to 20% to which the 25% rate is applied, resulting in an effective rate of 5% for imports of both works of art and antiques. Similarly, the taxable amount in respect of supplies by creators is reduced by 20% to which the 25% rate applies, resulting in an effective rate of 5%.)