10. French Guyana. Air Mail T.A.G. 75 c black on yellov paper on fine cover together with one 25 c. The 75 c is from the upper left corner of the sheet, the two other margins are also wide. Signed Calves.

10. French Guyana. Air Mail T.A.G. 75 c black on yellov paper on fine cover together with one 25 c. The 75 c is from the upper left corner of the sheet, the two other margins are also wide. Signed Calves.