Official Goldback.com exchange rate for 10/13/2023 is $4.05, up 5 cents.

Best prices:

1 GB is 3.71 (pay by check, also free SD GB with purchase of SD)

http://defythegrid.com/goldbacks/ref/6499/

1 GB is 3.76 (pay with credit card)

https://finestknown.com/goldbacks-for-sale/

50GB is 184.80 at APMEX

https://apmex.com/product/218164/50-nevada-goldback-aurum-gold-foil-note-24k