Mabie Todd (Swan) discontinued the vulcanite over-under feed circa 1911.
Mabie Todd (Swan)

Ref. 1235
9crt gold Swan Mabie Todd and Co. Ltd. fountain pen, chevron and lined decoration to cap and barrel, clear maker's marks on the barrel, fully hallmarked on the barrel, cap and pocket clip, original 14crt medium size 2 nib, overlayed section, safety filler, no dings or dents, un-engraved cartouche, excellent condition and in original box, c. 1930, English, (excellent). Sold

Ref. 1285
Swan Minor No. 2 SM2/60 black fountain pen with chasing to the barrel and cap, chrome plated trim, 14crt No. 2 medium nib, lever filler, very crisp imprints, all original, 1930s, English, (excellent). Sold

Ref. 1132
Swan pocket clip for vulcanised hard rubber pen, c. 1910, (very good), £25.

Ref. 1041
Decorative wall tile featuring a bottle of Swan ink, unusual, marked on the rear 'Pilkingtons', (excellent), £65.

Ref. 922
Mabie Todd No. 2 fountain pen, gold filled, engine turned decoration to cap and barrel, overlaid section, leverless filler, 14crt medium nib, ball end step clip, original in all respects, no dings, bruises or scratching, English, circa 1936, (excellent - but engraved cartouche). Sold
Ref. 767
Mabie Todd & Co Ltd New York, Swan 8 lever filler, No 8 medium nib, chased black hard rubber, 25mm crack to cap lip, heavy oxidation to cap and barrel, section good, circa 1920s, (nib excellent). Sold