| Category | Category ID | Change |
|---|
| - | Antiques | 20081 | |
| | | Ancient Artifacts | 162797 | |
| | + | Architectural, Garden | 4707 | |
| | + | Art Deco (1925 - 1940) | 153113 | |
| | | Art Nouveau | 162782 | |
| | + | Asian Antiques | 20082 | |
| | | Books, Publications | 2195 | |
| | - | Decorative Arts | 20086 | |
| | | + | Ceramics, Porcelain | 63521 | |
| | | | Clocks | 63537 | |
| | | + | Glass | 63538 | |
| | | | Kitchen Tools | 162653 | |
| | | | Lamps | 63547 | |
| | | - | Metalware | 1211 | |
| | | | | Aluminium | 162683 | |
| | | | | Brass | 4175 | |
| | | | | Bronze | 1212 | |
| | | | | Cast Iron | 162692 | Combined into [Cast Iron-20087] |
| | | | | Cast Iron | 20087 | New Category |
| | | | | Copper | 1213 | |
| | | | | Gold | 4176 | |
| | | | | Tin | 63548 | |
| | | | | Wrought Iron | 20088 | |
| | | | | Other Metalware | 358 | |
| | | | Mirrors | 20089 | |
| | | | Woodenware | 37941 | |
| | | | Other Decorative Arts | 73467 | |
| | + | Ethnographic | 2207 | |
| | - | Furniture | 20091 | |
| | | | Beds | 162526 | Combined into [Beds-63549] |
| | | | Beds | 63549 | New Category |
| | | | Cabinets, Cupboards | 63561 | |
| | | | Chairs | 63565 | |
| | | | Desks | 63569 | |
| | | | Dining | 63573 | |
| | | | Sofas, Chaises | 63581 | |
| | | | Stands | 96757 | |
| | | | Tables | 63585 | |
| | | | Other Furniture | 63589 | |
| | - | Maps, Atlases, Globes | 37958 | |
| | | | Atlases | 162725 | |
| | | | Globes | 98468 | |
| | | | Maps | 162731 | |
| | | | Other Maps, Atlases, Globes | 170183 | Combined into [Other-38326] |
| | | | Other | 38326 | New Category |
| | - | Maritime | 37965 | |
| | | | Compasses | 37967 | |
| | | | Fishing | 162737 | |
| | | | Sextants | 37971 | |
| | | | Ship Equipment | 162743 | |
| | | | Telescopes | 37972 | |
| | | | Other Maritime | 4399 | Combined into [Other Maritime-66638] |
| | | | Other Maritime | 66638 | New Category |
| | | Musical Instruments | 162800 | |
| | | Repair, Replacement Parts | 162803 | |
| | + | Rugs, Carpets | 37978 | |
| | | Science, Medicine | 20094 | |
| | + | Silver | 20096 | |
| | - | Textiles, Linens | 2218 | |
| | | | Embroidery | 20117 | |
| | | | Fragments | 162767 | |
| | | - | Lace, Crochet, Doilies | 39444 | |
| | | | | Doilies | 39445 | |
| | | | | Table Runners | 162758 | Combined into [Table Runners-39446] |
| | | | | Table Runners | 39446 | New Category |
| | | | | Table Cloths | 39447 | |
| | | | | Other Lace, Crochet, Doilies | 2219 | |
| | | | Linens | 162770 | Combined into [Linens-2220] |
| | | | Linens | 2220 | New Category |
| | | | Pillows | 63624 | |
| | | | Quilts | 63627 | |
| | | | Tapestries | 2224 | |
| | | | Other Textiles, Linens | 362 | |
| | | Other Antiques | 12 | |