Official Goldback.com exchange rate for 10/18/2023 is $4.07, up two cents.
Best prices:
1 GB note:
$3.75 - check
http://defythegrid.com/goldbacks/ref/6499/
$3.79 - credit card
https://finestknown.com/goldbacks-for-sale/
$3.75 - bitcoin
tinyurl.com/spendgb
50GB is $185.72
https://www.providentmetals.com/50-gold-utah-goldback-note.html