You asked
Where do I quietly undervalue what I bring?
Undervaluing rarely announces itself. It sounds reasonable, even virtuous: it's no trouble. Anyone could have done it. I don't want to make a fuss about the bill. It hides in the work you do quickly and therefore assume must be easy, in the favor that became a standing arrangement, in the moment someone asks what you'd want for your time and your mind goes blank or, worse, goes low.
Here is the pattern worth bringing to the till: the things we are most gifted at often feel effortless from the inside, and we tend to price effort, not gift. So the very skills that cost you the least to use are the ones you discount the hardest — while you quietly over-respect work that merely looks difficult. Add an old family rule about modesty, or about never being the one who asks, and the discount compounds for years without a single conscious decision.
This is not a negotiation seminar, and the coin will not tell you what to charge for anything. It reads the habit, not the rate. Before you reach into the till, recall one recent moment you waved something away with it was nothing — and notice, honestly, whether it was nothing. Then turn your coin.
Before the till opens, turn out one pocket: name, just to yourself, the last money moment that left a mark.
Open the tillNine coins. Eight will stay tarnished. One turns over for you.