| Issuer | Buenos Aires |
| Year | 1827-1831 |
| Type | Standard circulation coin |
| Value | 5⁄10 Real (0.5) |
| Currency | Real (1822-1861) |
| Composition | Copper |
| Weight | 4.6 g |
| Dimensions | 22.8 mm |
| Thickness | 1.9 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#3, CJ#9, CJ#10, CJ#11, CJ#12 |
| Obverse description | In midfield and three horizontal lines in the BUENOS- / AYRES / (1827,28,30 and 31) legend with or without a hyphen, within laurel garlands of with fruit with ropes tied by a ribbon. Beading points. |
| Obverse script | Latin |
| Obverse lettering | BUENOS AYRES 1827 |
| Reverse description | In the midfield, on a circular highlighted and striped gusset plate azure, the value 5/10, peripherally superior semicircular legend BANCO NACIONAL with or without endpoint. Beading points. |
| Reverse script | Latin |
| Reverse lettering | BANCO NACIONAL. 5/10 |
| Edge | Smooth |
| Mint | |
| Mintage | 1827 - CJ# 9 Reverse Coin - 1827 - CJ# 9 Reverse Medal - 1828 - CJ# 10 Reverse Coin - 1828 - CJ# 10 Reverse Medal - 1830 - CJ# 11 Reverse Coin - 1830 - CJ# 11 Reverse Medal - 1831 - CJ# 12 `1.831`; berry between `1` and `8` in date - 1831 - CJ# 12 NO Point after NACIONAL - 1831 - CJ# 12 Point after NACIONAL - |
| Catalog ID | 1573475750 |
| Comments |
