Which is more collectible, the Republic of China copper plate or plum blossom?

1 and plum blossom 50 cents have stable prices and high collection value. The price of copper plates in the Republic of China is high and low, and it is true and false, and its collection value is low.

1 and plum blossom 50 points are even less, even more rare. The rarity of copper plates in the Republic of China was low, so the collection value was low.