To add to bling’s comment, a lot of places (emabassies, for example, are notorious for this) will want the document copy apostled (not just certified). Might be worth looking into this …
once upon a time I got a lucrative job offer from Dubai, but for some reason they insisted on getting the original university diploma to verify my education. I have quickly lost the original and always used the duplicates issued by the university. However it didn’t work out with the Dubai gig 