Official Goldback.com exchange rate for 11/8/2023 is $4.08, down 1 cent
Best prices for 1GB:
3.72 - check
https://greatlakescoin.net/search?type=product%2Cpage%2Carticle&q=goldback
https://www.herobullion.com/1-nevada-goldback-aurum-gold-note/
3.80 - credit card
https://finestknown.com/goldbacks-for-sale/
3.80 - bitcoin
3.80 - monero