[url]
http://www.vintageshirt.co.uk/[/url] should have the shirts, collars, studs (although fake gold) and cufflinks (ditto). Marcella fronted is the style needed, with either a 2 1/4" High Wing Collar or the butterfly wing (the others are either too narrow or too high for this period). They also do black self tie bowties (clip ons were the preserve of waiters during this period, and to this day will get you ejected from a mess by ones comarades!), and white cotton (but not kid) gloves.