Coils are normally collected in strips in unmounted mint condition or in the case of actual promotional strips on the card secured with the original wax, or off the original card showing the wax strip on the reverse. Some are also known used on first day cover. Coil Strips can ( are ) also collected in different se-tenant formats. These are quite difficult to obtain and as such carry a premium over the norm. See images Left MV 02 ( Five Pence ) 5p Se-tenant strips of 5 stamps. Head B1 150 Screen printed by Harrison and Sons This item is known to exist with a variety of several different papers and gums OCP/GA (Original Coated Paper Gum Arabic) 15/02/71 OCP/GA Silicone Coated (Original Coated Paper Gum Arabic) 1972 FCP/GA (Original Coated Paper Gum Arabic) 22/09/72 FCP/DEX (Fluorescent Coated Paper Dextrin Gum) with thin paper 04/74 |