1977 30L Air stamp, handpainted essay in the adopted design (Douglas DC-10 Jetliner and mail), on thin white card, 82x59mm, mounted on thick card, 148x129mm, the reverse numbered "27/42" and handstamped "D.G.P / Comisia Filatelica / Proces Verbal Nr. (3) / din 1.4.977". A unique essay.