Auction # 2419 WORLDWIDE + ARGENTINA: Special May auction

Yvert 158/173, 1966 Buildings, complete set of 16 values with perf 11½x12, we also include 15 values perf 13½ (½c. to 10c. on regular paper, and 15c. to 5$ on chalky paper), + overprinted 20c. on 25c. of 1970, all MNH and of excellent quality!