Auction #121 - ARGENTINA + WORLDWIDE: General auction with very good lots!

Registered cover franked with OFFICIAL DEPARTMENT STAMPS (M.R.C.) for $3.30, sent from Quilmes to Buenos Aires VIA ZEPPELIN on 29/JUN/1931, via special triangular flight handstamp in black (over the postage) and violet (light, at left above Via Aerea). With defects, the address is crossed out and with repairs, all the same very rare and attractive!!