They are branded RWKa

Radomska Wytwórnia Kluczy from the days of the People's Republic of Poland.  What they call them would translate as "keys".

Wow!

Thank you for your prompt answer

This is another example of taking your time and looking at every wrench carefully at a yard or estate sale. At first glance I would have thought these were Asian and passed them by. Great find!

I always look right to the bottom of every box at the boot sale (flea market) here in the uk