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Design: Machinists

Issue	Denom.	Year of Issue	Color	Printing Method	Perforation	Imprint	Cat. Publisher	Cat. Number	Comments
1st issue	10	1953	blue green	Lithograph	13x12½	No	Michel	366	Lithography halftones and dots
1st issue	10	1953	blue green	Lithograph	13x12½	No	Scott	159	Lithography halftones and dots
1st issue	10	1953	blue green	Lithograph	13x12½	No	Gibbons	124	Lithography halftones and dots
2nd issue	10	1953/54	blue green	Typograph	13x12½	Yes	Michel	409	Typographic lines
2nd issue	10	1953/54	blue green	Typograph	13x12½	Yes	Scott	191	Typographic lines
2nd issue	10	1953/54	blue green	Typograph	13x12½	Yes	Gibbons	157	Typographic lines
7th issue	10	1959	blue green	Typograph	13x12½	No	Michel	704A	Color Change
7th issue	10	1959	blue green	Typograph	13x12½	No	Scott	477	Color Change
7th issue	10	1959	blue green	Typograph	13x12½	No	Gibbons	311I	Color Change
7th issue	10	1959	blue green	Typograph	14	No	Michel	704B	Color Change
7th issue	10	1959	blue green	Typograph	14	No	Scott	477a	Color Change
7th issue	10	1959	blue green	Typograph	14	No	Gibbons	311II	Color Change