Ooo I know...
Spoiler Is NO Fun... The answer is >>>
The gold is the 1 lb lead which is painted with the color gold... Duh??
If im wrong then i have no clue wat so ever....
We need a means by which Alex becomes rich.
Answer tomorrow; today's hint:
The King had his Royal Department of Weights and Measures weigh the lead Alex received each day, and weigh the gold Alex returned each morning.
If they both weighed exactly 1 pound, how could Alex have kept any of the gold?