This is from a rare group of Orange Free State Postal Fiscals from 1882-1890.  This is 2 stamps, including SG F5, the 1 Shilling and 6 Pence Blue, and SG F7, the 3 Shilling Chestnut.  They are Used, each with a clear oval cancel.  They are also in Fine to Very Fine Condition, valued at L130 in the SG Catalog together.  A wonderful addition to an OFS collection.