Official Goldback exchange rate for 07/05/2023 is $4.00 and unchanged from 06/30/2023.
After a review of online sellers' prices, the best price for an in-stock 1 Goldback is $3.65 over at Defy The Grid https://defythegrid.com
The best price for an in-stock 50 goldback is $176.79
@APMEX
https://apmex.com/product/255963/50-wyoming-goldback-aurum-gold-foil-note-24k