[Iv...] Posted 12 hours ago Share Posted 12 hours ago Short story - A guy on facebook says he sells offline dongle for Calypso 2023 My question is is there any way tho check the authenticity, before purchasing ? Link to comment Share on other sites More sharing options...
[Cl...] Posted 10 hours ago Share Posted 10 hours ago It should have a serial number attached to it. I'd ask for that and then reach out to Zeiss to confirm. Link to comment Share on other sites More sharing options...
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