| Antique | Old item with nostalgic or collector value. |
| Condition unknown | This item may or may not be operational. Sold as-is. |
| Good | Guaranteed functional, appears to be new and un-used. |
| In Mfr Packaging | In original factory packaging. |
| New (un-used) | Un-used but age unknown. |
| Removed from equipment | Removed from working system. Likely used but operational. |
| Un-used but old | Older item that has not been used or deployed. |
| Used | Guaranteed functional, but used. |