Cartridge including holder for holding electrical contact surface and method of recycling cartridge

A cartridge comprising:

• a housing;
• a storage medium having an electrical contact surface;
• and
• a holder movable relative to the housing, the holder comprising:
• a first holder member holding the electrical contact surface;
• a second holder member engaging with the first holder member, and
• a holder cover movable together with the housing, the holder cover positioned at an outer surface of the housing, the holder cover being configured to hold the second holder member between the outer surface of the housing and the holder cover in a state where the second holder member is movable relative to the housing and the holder cover,
• wherein the holder has a through-hole through which an engagement part of the second holder member engaging with the first holder member is accessible from outside the cartridge, and
• wherein the holder cover covers a portion of the holder and the through-hole is exposed outside of the holder cover.