Spain 50 eurocent marked with a number [solved]

Hello,

does the number ‘1.4462’ on the reverse of this 50 cent coin have a meaning? Is it made by any official authority? Or is it a private marking by some club or association?

Thank you for your answers.

Is there any reason you double your request?

https://en.numista.com/forum/topic170692.html

That happens a lot of times when people post from their phone.  I see the exact same post repeated many times, sometimes even days apart.

Indeed, something went wrong using my phone.

Thank for your interest

It is a code, also used on a certain type of stainless-steel, but I do think that is just a coincidence.