1p olive green 'CORREOGRAMA' postal stationery telegram letter sheet (UPSS #CLS16, H&G HG11) with 'T.I.E.V.' imprint under stamp used with added 1979 50c blue black and 3p yellow brown 'Exporta' issue and 1979 1p 'Universiada '79' issue (SG 1472, 1476 & 1502) tied by TUXTLA GUTIERREZ cds's dated 18 JAN 1980. Sent airmail to BELGIUM with manuscript arrival notation on reverse. The envelope has a punch hole at left but an uncommon item in used condition.