| 100.1 MHz | 2018-05-04 | 0.3x0.7x0.5 | Steel | Faded but intact, with slight oxidation. | Main Inventory Room 2B |
| 175.6 MHz | 2019-11-23 | 0.4x1.2x1.5 | Copper | Perfectly preserved, pristine condition. | Exhibit Room 1C |
| 236.7 MHz | 2020-07-01 | 0.5x0.9x0.7 | Iron | Decomposed, surface rusted. | Back Storage 4A |
| 300.0 MHz | 2021-10-15 | 1.0x2.0x1.0 | Aluminum | Nearly intact, with minor surface scratches. | Main Inventory Room 2D |
| 400.0 MHz | 2023-08-28 | 0.6x1.5x1.2 | Zinc | Eroded but still legible, faded. | Exhibit Room 1B |
| 500.0 MHz | 2024-04-01 | 0.7x2.5x1.5 | Titanium | Distorted, with visible fractures. | Back Storage 4B |
| 600.0 MHz | 2022-11-07 | 0.8x2.8x1.0 | Magnesium | Rusty, condition worsened. | Main Inventory Room 2C |
| 700.0 MHz | 2025-03-19 | 0.5x1.1x0.6 | Silver | Pristine, no visible damage. | Exhibit Room 1D |