1948 .410 Ideal Grade 'Belgium LLH' on the right barrel over-stamped with 'London Steel.' London Steel was introduced on the 0 grade by Halcomb Steel Co. in 1907, and used on the post-1913 Ideal and Skeet Special. LLH is the trade mark of Laurent Lochet-Habran, a Belgian barrel maker. Sanderson Bros. is reported to have purchased brls from LLH and this mark has also been found on Fox, Baker, Lefever, and Ithaca guns. 'LLH' has also been found on Hunter Arms Fulton and "Ranger" for Sears guns.