Official Goldback.com exchange rate for 09/22/2023 remains $4.06.

Best prices:

1 GB is $3.71 (check) https://defythegrid.com/product-category/gold/aurum/goldbacks

1 GB is $3.75 (credit card) https://finestknown.com/product/2020-1-utah-goldback-currency-1-1000-oz/

100 pack of 1GB is $366.23 at Oz Bullion https://ozbullion.com/products/nevada-goldback-1-note-aurum-100-pack-24k-gold-bills-random-year