Source: http://chipguide.themogh.org/cg_chip2.php?id=AUDNMB&sort=typeDon Casino became Mindil Beach Casino - 1979 - 1983
Mindil Beach Casino became Diamond Beach Casino - 1983 - 1995
Diamond Beach Casino became MGM Grand 1995 - 2008
MGM Grand became Sky City Darwin 2008 - 2019
In 2019, Delaware North began operations of the main Casino Floor renaming the operations Mindil Beach Casino once again while Sky City retained operations of the High Roller portion of the casino.
Horde of Mindil Beach chips in most denominations discovered March 2018
similar info as the link I posted. who made that mold though?Australian casino, 1979-1983
There are many more denoms, including fracs and a $5, all hot stamped on the LGK mold.
MD88 Large Key moldAny ideas who made these?
Source: https://www.antiquegamblingchips.com/molddesign_other.htm#md88LARGE KEY (LG-KEY) (a/k/a LARGE GREEK KEY) --greek key design, repeated 15 times. B. C. Wills & Co., Detroit MI and Reno NV, which made these chips from 1962 or '64-1980's. At least one other place offered it recently.
Cheers @WedgeRockMD88 Large Key mold
1979-1983 checks out. Looks like they were made by B.C. Willis and Co.