Also look close, some are promotional (no extra bet required) some are match play.
I pulled a few of the rows off the gaming control approval list. it has other info as well so you can do the research.

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP NO CASH VALUE UNMERAL 5 LAWN GREEN BOTH SIDES W/
LAS VEGAS LOGO

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP NO CASH VALUE NUMERAL 5 BLACK LOGO BOTH SIDES
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP NO CASH VALUE NUMERAL 5 TRUE BLUE BOTH SIDES
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP NO CASH VALUE NUMERAL 5 VIOLET BOTH SIDES
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP NO CASH VALUE NUMERAL 5 LEMON BOTH SIDES
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP 50 MM, GREEN NUMERAL 25 MATCH PLAY.
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP 50 MM, BLACK NUMERAL 25 MATCH PLAY.
LAS VEGAS

GOLDEN GATE HOTEL & CASINO 06/22/09 00/00/00 CHIP 50MM, BLUE NUMERAL 25 MATCH PLAY.
LAS VEGAS