1. Brand value: Yuxi Manor, as a high-end brand under Yuxi Cigarette Factory, has high brand value and popularity, and its products are widely recognized and sought after in the market, with high collection value.

2. Scarcity: Yuxi Manor's products are limited in the market, and as time goes by, their quantity will be less and less, which makes Yuxi Manor's products more precious and more collectible.