Spain. 2nd Centenary before 1960

Automatically generated translation

(★)1950. Spectacular set of five COLOR TRIALS, of non-adopted designs of 5 pt lilac and violet (Basque House), 10 pt blue and violet (Alcazar de Segovia), 10 pt lilac (Torres de Cuart), 10 pt violet (Iglesia de Viella ) and 15 red and violet pts (Puerta de Alcalá), adhered on presentation sheets. MAGNIFICENT AND EXTRAORDINARILY RARE SET, UNIQUE KNOWN.