1896, first issue 10 pa., 20 pa. and 1 pia. with black overprints on romanian stamps for a postal Agency in the harbour of Constantinople on cover, tied by clear POSTA ROMANA COSPOLI 3 APR 96 c.d.s. Sent to Bucuresci, on reverse transit mark CONSTANTA-BUCURESCI AMB.No.XIV 4 APR 1896, fine
