I made a quick run trough estibot:
Appraisal Overview:
EstiBot Value: $ 6,600 USD
Average Monthly Search Stats - collectables
Average Monthly Searches: 13,764,000
Average Cost Per Click: $0.72 USD
Average Ad Competition: high
Average Monthly Search Stats - [collectables]
Average Monthly Searches: 456,320
Average Cost Per Click: $0.72 USD
Average Ad Competition: high
So i think, you better hold this one.