Design:   Lab Worker

ThumbnailWatermarkIssueDenom.Year of IssueColorPrinting MethodPerforationImprintCat. PublisherCat. NumberComments
1st issue401953carmineLithograph13x12½NoMichel375Lithography halftones and dots
1st issue401953carmineLithograph13x12½NoScott167Lithography halftones and dots
1st issue401953carmineLithograph13x12½NoGibbons133Lithography halftones and dots
2nd issue401953/54carmineTypograph13x12½YesMichel418Typographic lines
2nd issue401953/54carmineTypograph13x12½YesScott200Typographic lines
2nd issue401953/54carmineTypograph13x12½YesGibbons169Typographic lines