{
 "id": "royal_mail_stamp_prices",
 "name": "Royal Mail stamp prices (standard letter)",
 "category": "other",
 "value": "1st class \u00a31.80 \u00b7 2nd class 91p",
 "unit": "per letter up to 100g",
 "valid_from": "2026-04-07",
 "valid_to": null,
 "source_url": "https://www.royalmail.com/current-postage-prices",
 "source_org": "Royal Mail",
 "confidence": "verified",
 "checked_at": "2026-08-12",
 "notes": "Royal Mail now reviews prices more than once a year; another change possible within months.",
 "history": [
  "1st \u00a31.70 / 2nd 87p from 2025-04-07",
  "1st \u00a31.65 / 2nd 85p from 2024-10-07"
 ]
}