An A and B shares own equal parts of the company. The difference is how the dividends are taxed.
The share price difference is about $5. You can well afford to pay the 15% Dutch tax on A shares
with that difference. If you file a long return you can even recover the tax paid with a foreign tax credit. B shares dividends are not taxed in the US if you own shares traded on the NYSE. The tax is 54 cents per year. It is not a good investment to pay the $5 to receive 54 cents a year.