DETAILS

Ser	Marking	No of Stops	End Profile	Stop Posn	Material	Finish	Colour	Manufacturer	Notes
1	H	1	1	Top	Steel	Phosphated	Med Gray	Hollandia, Holland	Vertical Has cut-outs in spring like the other H examples.
2	H	1	1	Top	Steel	Phosphated	Med Gray	Hollandia, Holland	Vertical Has cut-outs in spring like the other H examples.
3	H	1	1	Top	Steel	Phosphated	Med Gray	Unknown Probably made by Hollandia	Vertical Possibly early version of stamping from Hollandia. Has cut-outs in spring like the other H examples.
4	H	1	1	Top	Steel	Phosphated	Med Gray	Unknown Probably made by Hollandia	Vertical Has cut-outs in spring like the other H examples.
5	None	1	1	Top	Steel	Phosphated	Med Gray	Unknown Probably made by Hollandia	Cut-outs on each side at the centre of spring like the other H examples. Three circles impressed into the underside of the clip from manufacturing.
6	MB Z	1	1	Top	Steel	Phosphated	Med Gray	Van Mouwerik & Bal Ltd. Zeist, Holland	Markings under spring
7	MFT	1	1	Middle	Steel	Phosphated	Med Gray	Metaalwarenfabriek, Tilburg N.V. Holland	Narrow 'MFT'
8	MFT	1	1	Top	Steel	Phosphated	Med Gray	Metaalwarenfabriek, Tilburg N.V. Holland	Wide 'MFT'

Thank you to Koen Bakker for the H and MBZ examples.
Thank you to Peter Mackinven for the H and H examples.

LINE DRAWINGS and PHOTOS

H Has cut-outs in spring like the 'none' example.	No marking Although no markings the cut-outs in the spring are the same as the above two examples. Cut-outs are at the centre of spring. Three circles impressed into the underside of the clip from manufacturing.
H Has cut-outs in spring like the 'none' example.	MB Z
H Has cut-outs in spring like the 'none' example.	MFT Narrow 'MFT'
H Possible early version of stamping from Hollandia. Has cut-outs in spring like the 'none' example below.	MFT Wide 'MFT'

MEASUREMENTS

All measurements in millimeters

Ser	Markings	Length	Width	Width with stops	Depth	Retainer length	Material Thickness	Retainer Holes		Spring Profile	Notes
								Height	Width
1	H	60.38	14.45	15.28	5.46	1.95	0.60	3.11	5.01		Vertical Has cut-outs in spring like the other H examples.
2	H	60.27	14.48	15.47	5.44	1.86	0.61	3.05	4.91		Vertical Has cut-outs in spring like the other H examples.
3	H	60.34	14.51	15.27	5.41	1.79	0.60	3.04	4.98		Vertical Possibly early version of stamping from Hollandia. Has cut-outs in spring like the other H examples.
4	H	60.70	14.51	15.17	5.41	1.95	0.64	3.06	4.83		Vertical Has cut-outs in spring like the other H examples.
5	No marking	60.54	14.60	15.26	5.45	1.90	0.70	3.24	4.92		Cut-outs on each side at the centre of spring like the other H examples. Three circles impressed into the underside of the clip from manufacturing.
6	MB Z	60.60	14.42	15.48	5.40	1.90	0.60	3.25	5.00		Markings under spring
7	MFT	60.65	14.55	15.35	5.40	2.05	0.65	3.16	5.00		Narrow 'MFT'
8	MFT	60.59	14.56	15.18	5.47	1.92	0.67	3.00	4.90		Wide 'MFT'

All measurements in millimeters