ARGENTINA (1892) Rivadavia*. Unissued essay for Argentina stamp honoring first President. Similar to Scott type A63.
AVAILABLE AT $40
ARGENTINA (1951) Train*. Pegasus*. Trial color proof block of 4. Close of Argentina Five Year Plan. Scott No 595, Yvert No 513.
AVAILABLE AT $40
ARGENTINA (1960) Silk flower orchid*. Trial color proof pair in brown. Scott No B28, Yvert No 631.
AVAILABLE AT $25
ARGENTINA (1964) UPU emblem*. Trial color proof pair. 15th UPU Congress. Scott No C93, Yvert No PA98.
AVAILABLE AT $25