Atocha Coin Assayer
Potosi Mint Mexico Mint Santa Fe de Bogota Mint Lima Mint

 Potosi Mint - Mint Mark "P"

  Date

Assayer's Mark

  Characteristics

Ruler

  1573-1576

R

Alonso de Rincon Shield Design

Philip II

  1574

B/C

B over struck C - "C" formerly from La Plata
  1576-1586

B

Juan de Ballesteros Narvaez
  1576-1586

B/A

B over A found on Atocha
  1586-1590

A

Juan Alvarez Reinaltes
  1589-1615 B Juan de Ballesteros Narvaez (Xs on borders)

Philip III

 

  1590

B/R

B over R found on Atocha
  1590-1615 R Baltasar Ramos Leceta
  1590-1618 R/L Ramos Leceta dated 1618 coins on Atocha
  1613-1616 C Assistant to Ballesteros
  1613-1616 Q Augustin de la Quadra
  1616-1617 M Juan Munoz - first dated coins 1617
  1617-1618 PA Garcia de Paredes y Ulloa
  1618-1621 T Juand Ximenez de Tapia - many reversal & broken dies
  1618 Rx found on Atocha
  1621-1647 T Juand Ximenez de Tapia - many reversal & broken dies Philip IV
  1621-1647 P Luis de Peralta - P mint & P asssayer
  1636-1647 TR Pedro Trevino
  1646 V Geronimo Velazquez
  1647-1649 Z Pedro Zambrano
  1647-1649 Juan Rodriquez de Roas - O with dot in center
  1651 E Antonio de Erqueta last shield design Carlos II
  1652-1679 OE
E
Erqueta Pillar & Wave
  1678-1679 C  
  1679-1684 V Pedro de Villar
  1684-1697 VR Monogram for Pedro de Villar
  1697 CH Large C with H in the middle
  1697-1701 F  
  1701-1727 Y Diego de Ybarbouru - LUIS I coins 1725-1727 Philip V
  1728-1732 M  
  1737-1740 M Different M then previous assayer
  1722-1733 YA  
  1733-1738 E Esteban Gutierrez de Escalante
  1740-1742 P P mintmark - P assayer
  1741-1745 C  
  1744-1760 q Luis de Quintanilla Fernando VI
  1750-1753 E Esteban Escalante
  1753-1754 C  
  1759 J Jose de Vargas y Flor Carlos III
  1760-1773 V Jose de Vargas y Flor
  1772-1776 J-R Joint assayers

Bust Dollar

  1776-1795 P-R Joint assayers Carlos IV
  1795-1805 P-P Joint assayers
  1803-1824 P-J Joint assayers

Fernando VII

  1824-1825 J
J-L
SPANISH MINT CLOSED

 Mexico Mint - Mint Mark "OM" "OXM"

Top
  Date

Assayer's Mark

  Characteristics

Ruler

  1535-1556 R Francisco del Rincon Pillar & Wave

Carlos & Johana

  1535-1556 P Pedro de Espina
  1535-1556 F Esteban Franco
  1535-1570 G Juan Gutierrez Philip II
  1535-1570 L Luis Rodriquez
  1570-1598 O   Shield Design
  1570-1598 F  
  1570-1598 FD  
  1607-1617 F Same as F above First dated coin 1607 Philip III
  1608-1609 A  
  1618-1634 D Assayer Atocha & Margarita coins Philip IV
  1623-1665 P Coins found on Concepcion 1641
  1628 J Jeronimo Bercerra - chief assayer
  1665-1676 G  

Carlos II

  1677-1705 L Assayer of first gold coinage
  1705-1723 J Jose Eustaquio de leon Assayer for 1715 Fleet coins Philip V
  1724-1728 D Luis I assayer 1724-1726
  1729-1730 R Nicholas de Roxas
  1730 G Different from previous G
  1731-1733 F Felipe Rivas de Angulo - Assayer for the "Klippe" or square cut coins
  1733-1734 M-F Manuel de la Pena & Francisco de la Pena Flores "Klippe" or square cut design last Cob
  1733-1747 M-F Joint assayers - MX mint mark Pillar Dollar
  1747-1759 M-F Joint assayers Fernando VI
  1760-1772 F-M Joint assayers Bust Dollar Carlos III
  1772-1788 F-F Antonio Forcada y Plaza Carlos IV
  1788-1801 F-M Forcada
  1801-1803 F-T Forcada
  1803-1810 T-H Joint assayers
  1810-1814 H-J Joint assayers Ferdinand VII
  1812-1821 J-J SPANISH MINT CLOSED

 Santa Fe de Bogota Mint - Mint Mark "RN" "NR" "SF" "FS"

Top
  Date

Assayer's Mark

  Characteristics

Ruler

  1620-1637 T Turrillo

Shield Design

Philip IV

  1620 H Unknown
  1620-1637 E Echeverria - Turrillo's assistant
  1620-1637 A Martin de Arbustante & Inigo de Alvis
  1627-1632 P Miguel Pinto Camargo
  1632-1637 A Alonso de Anuncibay
  1642-1651 R Pedro Ramos
  1651-1676 R Pedro Ramos  - "RMS" "PRS" "PORAMS" "PORS" "PORAS" "PORM" "PORMS" "POS" Pillar & Wave Carlos II
  1676 OLM Jose de Olmos
  1676 R Gaspar de los Reyes
  1677-1678 SM Jose Silvestre de Soto Maldonado
gold coins only
  1678-1691 PG
P
G
Pedro Garcia de Villanueva
  1691-1702 VA
AV
Ventura de Arce Philip V
  1702-1721 A
ARC
Buenaventura de Arce many coins found on 1715 Fleet
  1722-1732 S
SAN
Jose Sanchez de la Torre
  1730-1748 M Miguel Milano
  1741-1756 SR Sebastian de Rivera - gold coins only Fernando VI
  1759-1773 V-J Joint assayers

Bust Dollar

Carlos III
  1775-1748 J-J Joint assayers
  1792-1808 J-J Joint assayers Carlos IV
  1810-1819 F-J SPANISH MINT CLOSED Fernando VII

 Lima Mint - Mint Mark "P"

Top
  Date

Assayer's Mark

  Characteristics

Ruler

  1568-1570 R Alonso de Rincon Pillar & Wave Philip II
  1570-1572 X Xines Martinez Shield Design
  1572-1573 M Xines Martinez
  1573-1574 B Alonso Lopez de Barriales
  1574 BL B overstruck L
  1575-1577 L Alonso Lopez de Barriales
  1577-1588 D Diego de la Torre - Star of the Magi added
  1588   MINT CLOSED

 Lima Mint - Mint Mark "L"

Top
  Date

Assayer's Mark

  Characteristics

Ruler

  1659-1660 V MINT OPENED BRIEFLY Pillar & Wave Philip IV
  1684-1693 V Francisco Villegas Carlos II
  1685-1699 R  
  1694-1699 M  
  1696-1711 H First Assayer 1715 Fleet gold coins Philip V
  1706 R  
  1709-1728 M Crystobal Melgarejo - assayer of Luis I coins & 1715 Fleet gold coins
  1728-1741 N Fernando Negron
  1739-1748 V   Fernando VI
  1752-1772 R Last Cob coin - 1772 Pillar Dollar
  1772-1780 J-M Jose Rodriguez Carasa & Manuel Iglesia Abarca Bust Dollar Carlos III
  1780-1787 M-I Joint assayers
  1787-1789 I-J Joint assayers
  1789-1803 I-J Joint assayers Carlos IV
  1803-1824 J-P Joint assayers
  1824 J-M SPANISH MINT CLOSED Fernando VII
 

ATOCHA COINS



 
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