Burnham, Mentmore and Wyvern produced some well made but inexpensive fountain pens.
Burnham, Conklin, Mentmore, Eversharp and Wyvern Archive

Ref. 578
A red Wahl Eversharp Skyline pen, light green pearl with red stripped cap, 14crt medium Eversharp nib, no scratches or damage to the barrel or cap, USA, circa 1944, (very good). Sold

Ref. 984F
Wyvern 200C/50 Stud Long fountain pen, candy strip decoration, Greek key cap band, gold filled trim, original sample label, no scratches or marks, no brassing to trim, English, c. 1940s, missing nib and feed, (otherwise excellent). Sold

Ref. 823
Large Eversharp Wahl pencil, black hard rubber and rolled gold trim, some very slight brassing, expel mechanism, circa 1925, (very good). Sold

Ref. 984C
Wyvern No 5 Short fountain pen, chased black hard rubber, medium 14crt warranted nib, lever filler, ring top, clear barrel imprints, English, c. 1930s, (very good). Sold