Can't wait for the usual suspects who say
"Oda is obviously not meaning anything with Gold > Silver > Copper, it's not like that hints at Roger > Rayleigh > Gaban"
To also say
"Gold (en Lion) Shiki is obviously not stronger than Silver (Axe) Kyo, their names don't hint that"
Then I guess we can say Roger < Rayleigh, if Gold isn't inherently better than Silver
"Oda is obviously not meaning anything with Gold > Silver > Copper, it's not like that hints at Roger > Rayleigh > Gaban"
To also say
"Gold (en Lion) Shiki is obviously not stronger than Silver (Axe) Kyo, their names don't hint that"
Then I guess we can say Roger < Rayleigh, if Gold isn't inherently better than Silver