Welcome to Tnet.
Cool button, and I believe I can see ‘SILVER & CO’ at the top with ‘CORNHILL’ at the bottom.
If I’m seeing it correctly, this will be for the company of Stephen Winkworth Silver & Co. (‘S.W. Silver & Co.’ or just ‘Silver & Co.’) formed in June 1823 after the partnership of Arrowsmith & Silver was dissolved. They were clothiers with premises in London and Liverpool, England.
Around 1827 they expanded with an outlet at Bishopsgate, London, opened workshops at Commercial Road East, London and increased the size of their Liverpool premises. Probably around then they began concentrating on clothing and ‘campaign’ furniture for the traveller, including waterproof clothing.
In the London Illustrated News of July 29, 1848 they described their
'Emmigration Outfitting being exclusively at No. 4 Bishoshopsgate Within' while
'Naval and Military Officers, Midshipmen, Cadets, Civilians, Ladies, &c. are outfitted as heretofore at the Cabin-Passenger Outfitting Warehouse, Nos. 66 and 67, Cornhill, London and St. George's Crescent, Liverpool’.
They capitalised on the need for immigration to Australia and New Zealand and the discovery of Australian gold in 1851 must have further increased their business. They boasted that they had a
'representative in every Australian Colony, to whom they ship Clothing monthly' and as they had
'a large interest to maintain in those Colonies' that they could supply
'a comfortable Outfit, including Bedding, for Male or Female Emigrants from Four Pounds (net) upwards or less (Two Pounds if needful)' to make emigrating easier’.
By 1875 the company had an 'Explorer's Room' at their Cornhill premises displaying a selection of chests and trunks etc for travellers. They had also expanded to take in 4 Sun Court, Cornhill where they had an 'office of the Colonies'.
REF: Christoper Clarke Antiques:
https://www.campaignfurniture.com/artists/sw-silver