1.发行量。一般来说,发行量越少,就越易增值,就越值钱,正所谓“物以稀为贵”。 2.存世量。存世量与发行量有相似但也有不同之处,发行量少的存世量很少,但发行量大的,存世量却不一定都大。由于时间长久或后期销毁、遗失、丢弃等原因,发行量虽大,却造成存世量较小,从而使藏品变得珍贵。 3.需求量。需求量很大,造成供不应求局面的藏品,即使发行量 Circulation In general, the less circulation, the more easy to value-added, the more valuable, is the so-called “rare”. 2. Survival amount. Survival and circulation are similar but also different, with a small circulation of subsistence is small, but the large circulation, the surviving is not necessarily large. Due to long time or late destruction, loss, discarding and other reasons, although the circulation is large, it has resulted in a relatively small number of surviving, which makes the collection precious. 3. Demand. Demand is large, resulting in the supply of goods in short supply, even if the circulation