This pair of Johnson Western Works have been posted in the Stag Saturday thread, they may not fit the "golden age" timeline, hopefully no feathers get ruffled by sharing them here. Both are 4" closed.
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I'd say they were before 1930, the thick, gnarly blackened Stag gives a quality hint (unless some skilled hafter has put some old slabs on but don't think so!) pins, the bolsters, are the knives steel lined or brass ? I suspect the former.
Your previous 'monster' knife is something bizarre...almost like an archeological find

Why so outlandishly massive and heavy? It demanded a mass of Stag too. You might think it was a piece of cutler's whimsy, making a huge knife for an exhibition or presentation but it has most clearly been used rather than laying idle for decades. Duncan
Campbellclanman
is correct that Earle were shipbuilders in Victorian times based in Hull, they were a leading builder in the 1870s the time steam and iron began to take over but were sold in the 1890s after the Earle brothers both died , the new owners kept the name. Due to its massive size yet fancy bolster work this must have been a costly knife at the time and maybe had this maritime connexion, Hull been not so far from Sheffield either, so a knife made for the shipwrights? Possibly, or for one of the engineers actually involved with shipbuilding who wanted a showpiece knife that got used ?
Interesting to speculate but impossible to say so far. However, we in this century often wrongly regard the Victorians as a prissy set of dullards with a prudish queen. Unfortunately, it is true that for many, life was appallingly brutal and exploited in the factories, mills, mines & sweatshops and in the allegedly green and pleasant fields of England's farms. Yet, the Victorians were also a very modern outward looking people, besotted by engineering feats and other wealth making endeavours. The Great Exhibition of 1851 was a national triumph of prowess & skills, embodied by The Crystal Palace, Brunel's bridges and massive steamships like The Great Eastern, huge railway building with lavish hotels in the London stations, developing the Underground train system were embodiments of national vitality . So it could be that Earle refers to a company who wanted a lavish knife commissioned to swell their reputation or to gift to a leading figure . It might have been used in connexion with a very specific trade/skill in construction that has vanished, hence our puzzling over its dimensions. Or not ? Or it might be the name of a shop who sold knives? It might have been made in Germany or America and arrived in England over time but it has that English look to my eye.
Whatever, it is a very interesting, extraordinary piece and worthy of contemplation

