Lot 40066 – 1916-20 Jose de San Martin collection

1916-20 Jose de San Martin collection with initial set unused and used to 20p, the used 20p faded, set overprinted Muestra, 1917 values including 20p inverted centre large part o.g., 5c imperf proof block of two panes of four of slightly different designs, set overprinted Muestra, 20p block of four large part o.g., perfin block of 36 with pen cancel, various small varieties, perf and watermark types and some postal history