138 ARGENTINA - RIVADAVIAS Auction #2236: ARGENTINA: Lots of an excellent collection with VERY LOW STARTS (it includes many rarities!) Single / Used Cat.#: GJ.23 VF. GJ.23, 10c. in rare GREEN FLUORESCENT, with rectangle "CERTIFICADA" cancel of Concordia in blue (+100%), rare! Starting Price: US$ 60 Current Price: US$ 60 Bid US$ 66 or more Closing: 2022-09-29 22:20:00