French, Champagne Seal, Louis Roederer, Image by StuE, Found by Allsopp.
Found in Staffs area.
Small domed seal with LRC ligature on the domed side.
The deeply indented side has a clear figure 2 in it. The edge of this seal is encrusted with rust.
Thanks to Philippe Lanez for identifying this seal as a champagne seal of Louis Roederer, founded as Dubois Père & Fils in Rhiems in 1776 - one of the last independent champagne houses, Louis Roederer, Wikipedia.