https://hobonickel.org/tag/war-nickel-silver-mintmark/
war nickel silver mintmark Archives - HoboNickel
war nickelsilvermintmarkarchives
https://www.icollector.com/Burgos-Spain-1-real-Ferdinand-Isabel-mintmark-B-below-yoke-and-arrows-ermine-and-Jerusalem-cros_i29836257
Burgos, Spain, 1 real, Ferdinand-Isabel, mintmark B below yoke and arrows, ermine and Jerusalem cros
yoke and arrowsburgosspainrealferdinand
https://auction.sedwickcoins.com/Mexico-City-Mexico-cob-1-escudo-1713J-mintmark-oM-NGC-MS-63-ex-1715-Fleet-Finest-NGC_i29835260
Mexico City, Mexico, cob 1 escudo, 1713J, mintmark oM, NGC MS 63, ex-1715 Fleet Finest NGC -...
mexico citycobescudomintmarkngc
https://www.error-ref.com/rotated-mintmark/
Rotated Mintmark
rotatedmintmark