| Issuer | Portugal |
| Year | 1370-1383 |
| Type | Standard circulation coins |
| Value | 1 Grave = 14 Dinheiros |
| Currency | Libra (1st Dynasty, 1128-1383) |
| Composition | Billon (.250 silver) |
| Weight | 2 g |
| Dimensions | 22 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#Fe 10, Fe 11# |
| Obverse description | AG# Fe 11 .... King`s initial `F` on centre with `+` at each side and mint letter `L` under. Secret symbol at 02:00H of obverse (See comments). Fe 10 .... Idem but with `+` instead of `L` |
| Obverse script | Latin (uncial) |
| Obverse lettering | SI:DNS:MI: / CHI:AIVTOR / NO (There are more than 50 lettering variations) |
| Reverse description | |
| Reverse script | Latin (uncial) |
| Reverse lettering | +FERNANDVS:REX:PORTVG (There are more than 20 lettering variations) |
| Edge | |
| Mint | L Lisbon, Portugal |
| Mintage | ND
(1370-1383) + - AG#Fe 10.01 - (+ instead of L) - ND (1370-1383) L - AG#Fe 11.01 - (Without secret mark at obverse) - ND (1370-1383) L - AG#Fe 11.02 - (With secret mark at obverse) - |
| Catalog ID | 4440868960 |
| Comments |
