The "COD" quarter is not a rare error. The G in GOD has a very small "tail" which can appear absent, therefore looking like a C. Several things can cause this: it may be a light strike, Die Deterioration, or PMD (post mint damage)
The drooling is also, not, a rare error. It is nothing more than a die chip. Quite common. In fact, it is one of the identifying markers on the 2022P Sally Ride WDDR-003
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