Well, the small pieces are always super expensive. I was looking at "prepper bars", those wafers that are ready to be broken into little pieces, like 50 1g pieces or so, for bartering in crisis situations. But the extra cost is just too much. Like this one here:
https://www.goldsilbershop.de/goldbarren/100-x-0-5-g-combibar-goldtafel.html