Seeking information on this t-shirt!!

I’m wondering if anyone knows anything about this t-shirt. I found it at a thrift store in Barcelona earlier this year. It’s Diadora branded and is apparently from the 1982 World Cup final (Italy vs. West Germany) at the Bernabeu. I have not been able to find any info about it online whatsoever, not even another image of the same shirt. Could it be a bootleg or is it really that rare? It looks like it is really good quality which makes me doubt that it is a bootleg. Either way super cool shirt. I’d appreciate any info on it! Thanks.

I’m wondering if anyone knows anything about this t-shirt. I found it at a thrift store in Barcelona earlier this year. It’s Diadora branded and is apparently from the 1982 World Cup final (Italy vs. West Germany) at the Bernabeu. I have not been able to find any info about it online whatsoever, not even another image of the same shirt. Could it be a bootleg or is it really that rare? It looks like it is really good quality which makes me doubt that it is a bootleg. Either way super cool shirt. I’d appreciate any info on it! Thanks.