I understand. What about scanning both tags with taginfo on your iphone and posting which scans are which? I’m mostly curious about the “memory information” for both “fresh” and “dead” tags.
E0163C0613E5E39D has a manufacturer byte of 16 which is not NXP, it’s likely an EM-Microelectronic / EM-Marin Micro Tag. You can read about the chip spec here;
em4233slic_ds.pdf (605.6 KB)