Auction 186-190

1911/32c.: Pneumatic Post The collection of mint postal stationery letter cards with maps of applicable lines inside, 24 examples (all different) including San Martin 30 c. and 60 c. red, Farmer designs with 30 c., 60 c., new designs Farmer 30 c., San Martin new design 30 c., 50 c. black, rare 1 peso in deep slate blue; amended design 50 c. black, 70 c. purple, rare 1 p. 40 c. bicoloured, later 1936 issues with 70 c. mint and used, 1 p. 40 c. mint, 70 c. purple (H&G 20, 20a, 20b) mint and two used examples, 70 c. red brown cards mint (H&G 21, 21a, 21b) etc. Generally fresh and vey fine, a rare seldom encountered collection (24).