Complete Set of 4 nos of commemorative postage stamps on the Romanian Scientists :

1412 Peter Poni, and Chemical Apparatus [Romanian Scientist]1413 A. Saligny, and Danube bridge, Cernavoda [Romanian Scientist]1414 C. Budeanu, and electrical formula [Romanian Scientist]1415 Gh. Titeica, and geometrical symbol [Romanian Scientist]

Issued by Romania

Issued on Apr 11, 1961

Issued for : Some of the Great Scientists of Romania.

Picture : 10 b – Peter Poni and Chemical Apparatus, 20 b – A. Saligny and Danube bridge, Cernavoda, 55 b – C. Budeanu and electrical formula and 1.55 l – Gh. Titeica and geometrical symbol.

Colour : 10 b – Pink & Violet Blue, 20 b – Citron & Maroon, 55 b – Blue & Red and 1.55 l – Ocher & Lilac. [ Portraits in Brown Black ]

Type : Stamps, Postal Used

Watermark : No

Denomination : 10, 20 & 55 Bani and 1.55 Lei

Printing Process : Lithographed

Perforation : 13½ x 13