There should be a space after the 1st digit with the 4 and 5 digit serial numbers, and no space with the 6 digit numbers. The 1st digit indicates the year of manufacture for the 4 & 5 digit serial numbers, these were used from 1989-1999.

How can you tell a fake Gibson guitar?

How To Spot A Fake Gibson Les Paul – 11 telltale signsThe fretboard binding on a genuine Gibson should hide exposed fret ends.If the price seems too good to be true, it almost certainly is.If the potentiometers are unbranded, its almost certainly fake.The truss rod cover on a fake will usually have too many screws.Jun 7, 2021