Traditional Culture Encyclopedia - Photography major - The postcard size of the event book settings set was not determined.

The postcard size of the event book settings set was not determined.

10x 15cm. The postcard of the unidentified event book is the official postcard of the unknown event book, and the size of the postcard is10x15cm. A postcard is a card with an image written on it, which can be mailed directly without an envelope. Images can be photography, painting or design.