My Merlin 33. Had so much trouble with the lighting for these pics! Love this button-filler. Has a nice, smooth gold nib and is reliable. First time running ink through it in
Fountain pen Merlin 33 writing - YouTube
Buy merlin 33 button filler celluloid fountain pen with 14K gold M nib
2 vintage fountain pens Merlin 33 and Stabil - Catawiki