Official goldback.com exchange rate for 08/01/2023 is $4.02, down three cents from yesterday.
After a review of online sellers' prices, the best price for an in-stock 1 Goldback is $3.68 over at Defy The Grid
The best price for an in-stock 50 Goldback is $177.84 at APMEX.com
https://apmex.com/product/255963/50-wyoming-goldback-aurum-gold-foil-note-24k