Official Goldback.com exchange rate for 10/05/2023 is $3.94, down 1 cent from the last update.
Best prices:
1 GB is 3.59(check)
http://defythegrid.com/goldbacks/ref/6499/
1 GB is 3.63 (credit card)
https://finestknown.com/goldbacks-for-sale/
50GB is 179.18 at APMEX
https://www.apmex.com/product/255963/50-wyoming-goldback-aurum-gold-foil-note-24k