United States 1889 half dollar "gold coin"? [opgelost]

I've had this coin quite a few years (10+) and could have sworn I found it in the catalogue, but I may be thinking of another $1 dollar I have. Does anyone recognise it, date is worn but I'm 99.9% sure it reads 1889 when looking at a certain angle. Weight is 0.5g and diameter is 11.04mm. Bust looks almost comical, could it be a jewellers copy or a trade token ? Thanks for looking.

Mint mark G?  No “United States of America?”  Probably a takeoff of this dollar coin:  N#6157 Not something the US minted. Is it gold?

 1869 is the date. Maybe a coin from the California gold rush era. 

They look similar to those. 

As far as I know, all of the territorial gold coins had the issuer's name on them and none would have a G mint mark on them.

 Looks like I got the date and location correct - hopefully 

https://www.ngccoin.com/coin-explorer/united-states/territorial-issues-and-confederate-states/california-fractional-gold/502020/1869-round-liberty-bg-1020-g50c-ms/  

Wow. I blew that one.  Learned something new.

Thanks for the info, passed it on to a buyer friend.