![PANAMA - 1887 - TRIAL: 1c black on deep red 'Map' issue, TRIAL PRINTING on surface glazed paper in unissued colour. Ungummed. (As SG 5, Heydon #8 Unlisted) (PAN/38676)](http://latinamericanphilatelics.com/cdn/shop/files/PAN38676_bb7e0ba6-0da0-4941-b288-1881dfdf5614_{width}x.jpg?v=1714745490)
1c black on deep red 'Map' issue, TRIAL PRINTING on surface glazed paper in unissued colour. Ungummed. (As SG 5, Heydon #8 Unlisted)
1c black on deep red 'Map' issue, TRIAL PRINTING on surface glazed paper in unissued colour. Ungummed. (As SG 5, Heydon #8 Unlisted)