Azerbaijan – Transcaucasian Socialist Federative Soviet Republic: 1923 (22 November). Registered commercial cover slightly reduced on top to Saratov franked on reverse with pair of 150,000r, 200,000r and a pair of 500,000r pictorial stamp, all tied by BAKU “m” datestamps alongside 28 November arrival cds. November dated documents for this issue are very rare since the 24th of October new Gold Kopeck value issue was introduced. Very few recorded.
