Are ALL Epson Ecotank ink bottles Sold without their cardboard boxes non genuine ?

[hdtvjeff]

Just wish to check genuine. One color, yellow from a few years ago moves freely within the vacuum packed bottle.

 

[hdtvjeff]

I just wish there was a foolproof way to spot knockoffs since Epson does not sell loosies. The verify epson app does not work on bottle QRs and carboard boxes of my 542s dont have qrs