Azerbaiyán

Azerbaijan 250 Manat P-13b               ND (1922). Deep blue-gray on multicolor underprint. Baku's Maiden Tower at center. Back: Azərbaycan Milli Bankı. UV: Threads fluoresce blue. AMB yellow, 250 green; back design elements green.   a.-       First issue with fraction prefix.b.-       Second issue with 2 prefix letters.   WPM Modern Issues 25th Edition.