POCD - Partial Outer Canopy Defoliation is a technique performed when the leaves of a bonsai have flushed out with at least 6 to 8 leaves, that are hardened of, in early to mid May (northen hemisphere).
Tomobako (共箱) is a traditional Japanese wooden storage box used to protect and authenticate fine arts and crafts, particularly ceramics. Acting as a "certificate of authenticity," it typically features the artist’s signature, signature seal, and the title of the piece, and is secured shut with a dyed silk cord.