Tag with 2 IDs?

[NiamhAstra]

Just a guess but the other number is likely a different format of the UID. An example of how different systems represent the ID is here

@NiamhAstra

This thread was requested at the end of this thread

All of the values listed in this image are the same number represented in different formats… the only way to work out what is what in this case was to go and read the code unless you had an intimate understanding of the labels already.

This is a great showcase of why new users struggle with the proxmark system…