Coins
Collectible coins — US Mint releases, commemoratives, and numismatic coins.
Active development
This vertical is in active development — fields, formats, and behavior may change.
External IDs
| Field | Required | Description | Example |
|---|---|---|---|
| NGC | No | NGC census ID | "525801" |
Asset details
| Field | Required | Type | Description | Example |
|---|---|---|---|---|
| id | Yes | string | Tradepost asset ID (UUID) | "68c1f500-6ea1-4e29-88cc-be320288a49c" |
| name | Yes | string | Full coin name | "1776-2026 W Eagle Liberty Bell S$1 PF" |
| year_released | No | integer | Year released | 2026 |
| composition | No | string | Material composition | "99.9% Silver" |
| weight_grams | No | number | Weight in grams | 31.103 |
| weight_ounces | No | number | Weight in ounces | 1.0 |
| purity | No | number | Purity, 0.0–1.0 | 0.999 |
| mintage | No | integer | Total coins struck | 500000 |
| mint_name | No | string | Mint | "West Point" |
| mint_mark | No | string | Mint mark | "W" |
| image_url | No | string | Primary image URL | — |
Config details
Configurations distinguish varieties of the same coin — designations, mint marks, varieties.
| Field | Required | Type | Description | Example |
|---|---|---|---|---|
| id | Yes | string | Tradepost asset configuration ID (UUID) | "8df496bc-547b-44ab-9100-5f2500560b49" |
| name | Yes | string | Full configuration name | "1776-2026 W Eagle Liberty Bell S$1 PF Raw" |
| denomination | No | string | Denomination | "S$1" |
| designation | No | string | MS (mint state), PF (proof), SP (specimen), CAM, UCAM | "PF" |
| mint_mark | No | string | Mint mark | "W" |
| variety | No | string | Variety | "Ultra Cameo" |
| strike | No | string | Strike method | "Standard" |
| year_released | No | integer | Year released | 2026 |
| image_url | No | string | Primary image URL | — |
Item details
| Field | Required | Type | Description | Example |
|---|---|---|---|---|
| key_id | No | string | Tradepost key ID (UUID, may be null) | "bcaaf25b-…" |
| key_ids | No | string[] | All key IDs for this item | ["bcaaf25b-…"] |
| fair_values | No | array | Fair value entries — see Key Fair Values | [] |
| grading_company | No | string | NGC, PCGS, ANACS, ICG, CACG, ICCS | "NGC" |
| grade | No | string | Coin grade | "MS70", "PF69", "AU55" |
| certification_number | No | string | Grading company certification number | "6924381-001" |
| quantity | Yes | integer | Number of coins | 1 |
Example
{
"asset_type": "COIN",
"external_ids": {},
"asset_details": {
"id": "68c1f500-6ea1-4e29-88cc-be320288a49c",
"name": "1776-2026 W Eagle Liberty Bell S$1 PF",
"year_released": 2026,
"mint_mark": "W",
"image_url": "https://cdn.tradepost.co/media/assets/68c1f500-.../coin.webp"
},
"config_details": {
"id": "8df496bc-547b-44ab-9100-5f2500560b49",
"name": "1776-2026 W Eagle Liberty Bell S$1 PF Raw",
"denomination": "S$1",
"designation": "PF",
"mint_mark": "W",
"variety": "Raw",
"year_released": 2026
},
"item_details": {
"key_id": "bcaaf25b-fe0b-4258-b40a-0dd0cb7ab60d",
"key_ids": ["bcaaf25b-fe0b-4258-b40a-0dd0cb7ab60d"],
"fair_values": [],
"quantity": 1
}
}