Stronger thing in Charley's stamp collection:
Charley finds a stamp in his collection that is stronger than the others he has. This stamp is unique and holds special significance for him.

Reason for its strength:
The stamp Charley finds is not just a piece of paper with a design on it; it represents a connection to another world. It transports Charley to the Third Level, a place that is seemingly in the past but exists in reality. This stamp holds the power to take Charley on a journey beyond the confines of his current time and space.

Significance:
The stamp symbolizes the power of imagination and the possibility of alternate realities. It serves as a reminder that there is more to life than what meets the eye and that there are hidden depths waiting to be explored.

Impact on Charley:
Finding this stamp changes Charley's perspective on life. It opens up a world of possibilities and fuels his sense of adventure. He becomes more curious and daring, willing to take risks in order to uncover the mysteries of the Third Level.

Conclusion:
In Charley's stamp collection, the stamp that transports him to the Third Level stands out as a symbol of strength and resilience. It serves as a gateway to a world of magic and wonder, inspiring Charley to embrace the unknown and seek out new experiences.