5 pesetas = 1 duro ("hard dollar," "Spanish dollar," or piastre).
1 duro = 2 escudos.
1 escudo = 10 reals.
1 real = 34 maravedis.

TABLE OF THE GOLD COINS OF SPAIN FROM THE REFORMATION OF THE COINAGE IN 1476.

(From Breve Reseña Historica Critica de la Moneda Española, p. 93.)

Reign. Coins and Ordinances.Tale or Number of Pieces per Mark.Standard. Mint Value per Mark.Value of each Old Real in the Modern Money. Value of each successive particular Money named, in Reals of the Date of Issue.Value of each such successive particular Old Money in Reals of To-day.
Bullion Value.Ordinance Value in Coin as issued.
Mint Ordinance ofQuilates. Granos. Reals. Reals.Reals.Mvds.Reals (Vellon)
Ferdinand and Isabella.Feb. 22, 1476,
June 14, 1497—
Excellentes majores 25 223716.98720.224.185 28 28 121.91
Medios excellenes 50 14 14 60.95
Doblas
Castellanos
Excellentes de la Granada65 1⁄3 7 7 46.67
Ducados (= .989)
Aguilas 67 10 25 45.48
Florines
Escudos 68 10 29 41.82
Coronas
Charles V.1537—
New coining of escudos 68 22 0 696.85 700.0 3.991 10 10 41.09
(= .917)
Philip II.Nov. 23, 1586—
The escudo increased to 400 maravedis. 68 22 0 766.40 800.0 3.493 11 26 41.09
(=.917)
Philip III.1609— 68 22 0 847.09 880.0 3.175 12 32 41.09
The escudo increased to 440 maravedis
Dec. 13, 1612— (=.917)
Castellanos of 22 quilates at 576 maravedis
Philip IV.Dec. 23, 1642—
Escudo increased to 550 maravedis 68 22 0 1058.86 1100.0 2.540 22 17 41.09
(=.917)
Jan. 12, 1643—
Escudo increased to 612 maravedis 68 22 0 1178.23 1224.0 2.283 22 17 41.09
(=.917)
Charles II.Oct. 14 and Nov. 26, 1686—
Escudo increased to 646 maravedis, and castellano to 850 maravedis of the new silver 68 22 0 1250.0 1292.0 2.163 38 17 41.09
(=.917)
Philip V.March 17, 1719—
Castellanos reduced to 714 maravedis 68 22 0 1050.0 1088.0 2.567 20 04 41.09
(=.917)
Jan. 14 and 23, and Feb. 8, 1726—
Escudo increased from 544 to 612 maravedis 68 22 0 1181.25 1224.0 2.282 33 10 41.09
(=.917)
Sept. 2, 1728—
Escudo increased to 680 maravedis 68 220 1312.0 1360.0 2.054 37 22 41.09
(=.917)
July 16, 1730—
New monetary scheme 68 22 0 1280.0 1360.0 2.054 31 22 41.09
(=.917)
Reals(Vellon)
June 23 and 29, 1742—
Creation of Veintenes de oro130 56⁄100 213 2409.42 2611.33 1.069 20 0 21.38
(=.906)
Ferdinand VI.Aug. 19 and Sept. 16, 1755—
Increase of the pastas de oro from 118 to 119 reales las tres ochavas.
Escudos (oro nacional) 68 22 O 2538.68 2560.0 1.091 37 22 41.09
(=.917)
Veintenes (oro provincial)130 56⁄100 21 3 2538.21 2611.33 1.069 20 0 21.38
(=.906)
Charles III.May 21 and 25, 1772—
General reformation and lowering of the standard.
Escudos (oro nacional) 68 21 2 1⁄2 2495.18 2520.0 1.076 37 17 40.38
(=.901)
Veintenes (oro provincial)130 56⁄100 21 1 1⁄2 2476.15 2611.33 1.039 20 0 20.78
(=.891)
July 16, andAug. 24, 1779—
The doblon of 8escudos reducedto 320 reals (oro nacional) 68 21 2 1⁄2 2516.55 2720.0 1.009 40 0 40.38
(=.901)
The doblon of 8 escudos reduced to 320 reals (oro provincial)130 56⁄100 211 1⁄2 2486.252611.33 1.039 20 0 20.78
(=.891)
March 7, 1781—
Oz. of bullion increased to 336 reals 68 212 1⁄2 2642.2 2720.0 1.009 40 0 40.38
(=.901)
Feb. 26 & June 5, 1786—
Lowering of standard.
Oro nacional. 68 21 0 2565.81 2720.0 0.980 40 0 39.20
(=.875)
Oro provincial131 23⁄35 20 1 1⁄2 2606.53 2633.14 0.982 20 0 19.65
(=.849)
Fernando VII.Oct. 19, 1821—
Reform of the rating.
Oro nacional 68 21 0 2686.26 2720.0 0.980 40 0 39.20
(=.875)
Oro provincial131 23⁄35 20 1 1⁄2 2606.53 2633.14 0.982 20 0 19.65
(=.849)
Aug. 20, 1824—
Similar reform.
Oro nacional 68 21 0 2660.16 2720.0 0.980 40 0 39.20
(=.875)
Oro provincial131 23⁄35 20 1 1⁄2 2581.1 2633.14 0.982 20 0 19.65
(=.849)
Isabel II.April 15, 1848—
Reform of the monetary system.
Centenes27 6⁄10 21 2 3⁄5 2736.0 2760.0 0.993 100 0 99.30
(=.900)
May 17, 1850—
Augmentation of the tale 28 212 3⁄5 2736.0 2800.0 0.979 100 0 97.90
(=.900)
Feb. 3, 1854—
Reform of the monetary system27 43⁄100 21 2 3⁄5 2716.20 2743.0 1.0 100 0 100.0
(=.900)
Jan. 18, 1861—
Reform of the tariff27 43⁄100 212 3⁄5 2729.18 2743.0 1.0 100 0 100.0
(=.900)

TABLE OF THE SILVER COINS OF SPAIN FROM THE REFORMATION OF THE COINAGE IN 1497.

Reign. Denomination.Tale (per Mark).Standard.Value of the Mark by Mint Regulations in Bullion.Value of the Mark by Mint Regulations in Coin as Issued.Value of the Real as Issued in Billon Reals of the Time.Equivalence of the Old Real with the Modern Real.
Silver Reals.Dineros.Granos. Silver Reals. Silver Reals.Reals. Mvds. Reals.
Ferdinand and IsabellaJune 2, 1497—
General reform of the Monies 67.0 11 4 66.0 67.0 1 0 2.734
(=.930)
Philip IV.December 23, 1642—
January 12, 1643— 83.75 11 4 81.0 83.75 3 0 2.186
Recoinage (= .930)
Charles II.October 14, 1686— 84.0 11 4 82.0 84.0 1 30 2.179
Recoinage (=.930)
Philip V.1706—
Reales sencillos of 4, 2, and 1 84.0 11 4 68.0 84.0 1 30 2.179
(=.930)
1707—
Reales sencillos of 4, 2, and 1 (and parts and multiples) 75.0 10 0 60.82 75.0 1 30 2.187
(=.834)
July 15, 1709— 68.0 11 0 65.0 68.0 1 30 2.654
Reals of 8 and 4 (=.917)
February 8, 1719—
Decrease of the reals of 8 to 9 1⁄2 80.75 11 0 77.18 80.75 1 30 2.234
(=.917)
August 10, 1728—
Reals (and parts) plata provincial 77.0 10 0 63.69 77.0 1 30 2.130
(=.834)
September 8, 1728—
Decrease of the real of 8 to 10 85.0 11 0 81.23 85.0 1 30 2.123
(=.917)
July 16, 1730—
New monetary regulation (plata nacional) 85.0 11 0 80.0 85.0 1 30 2.123
(=.917)
May 10, 1737—Reals of Billon
Decrease of the real of 8 to 20 reals (1 real of silver = 1 real 30 maravedis of billon)85.170 11 0 160.0 170.0 2 0 1.061
(=.917)
Decrease of the real of 8 to 20 reals (plata provincial)77.154 10 0 145.45 154.0 2 0 1.065
(=.834)
Charles III.May 21, 1772—
General reduction of the standard (plata nacional)170.0 10 20 157.59 170.0 1 0 1.045
(=.903)
General reduction of the standard (plata provincial)154.0 9 18 141.81 154.0 1 0 1.038
(=.812)
Ferdinand VII.October 19, 1821—
Reform (plata nacional)170.0 10 20 164.67 170.0 1 0 1.045
(=.903)
Reform (plata provincial)154.0 9 18 150.30 154.0 1 0 1.038
(=.812)
August 21, 1821— Reform (plata nacional)170.0 10 20 163.47 170.0 1 0 1.045
(=.903)
Reform (plata provincial)154.0 9 18 147.07 154.0 1 0 1.038
(=.812)
Isabel II.April 15, 1848—
General reform of the monetary system175.0 10 19 172.80 175.0 100 cents. 1.012
(=.900)
October 14, 1849—
Reduction of the tale of silver176.25 10 19 172.80 176.25 100 0 1.005
(=.900)
February 3, 1851—
General reform of the monetary system177.20 10 19 174.60 177.20 100 0 1.0
(=.900)
January 18, 1861—
Reform of the tariff177.20 10 19 175.77 177.20 100 0 1.0
(=.900)

TABLE OF THE BILLON MONEY OF SPAIN FROM THE REFORMATION OF THE COINAGE IN 1497.

Reign.Denomination.Representative Value of each Money.Tale (per Mark.)Weight of Each Piece.Standard.Mint Value of Each Piece.Bullion Value of Each Piece.
Ferdinand and Isabella.June 14, 1492— Granos.Dineros.Granos.Reals.Mdvs.Reals.Mdvs.
Coining of blancasHalf maravedi 192 24.0 0 7 2 28 2 3
(=.024)
Charles V.May 23, 1552—
Lowering of the standard of billonHalf maravedi 192 24.0 0 5 1⁄2 2 28 1 24 5⁄8
(=.019)
Philip II.December 14, 1566—
Vellon ricoCuartillos of 8 1⁄2 maravedis 80 57.62 14 20 0 17 8
Cuartos of 4 maravedis 170 27.10588 (=.216)
Medios of 2 maravedis 340 13.55294
BlancosMedio maravedi 220 20.94545 0 4 3 8 1 31 1⁄2
(=.014)
1599—
(Pure copper)Cuartos of 4 maravedis 34135.52941 pure copper4 0 1 0
Ochavas of 2 maravedis 68 67.76470
Philip IV.December 23, 1642—
Vellon rico Cuartillos of 8 1⁄2 maravedis 80 57.6
Cuartos of 4 maravedis 170 27.10588 2 14 1⁄2 20 0 125
Medios of 2 maravedis 340 13.55294 (=.217)
October 29, 1660—
Issue of "Molino"Pieces of 16 maravedis
(8, 4 and 2 in proportion) 51 90.35294 1 8 24 0 6 3
(=.069)
Charles II.May 22, 1680—
(This and succeeding issues are of pure copper)