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<p>[QUOTE=&quot;dougsmit, post: 4997762, member: 19463&quot;]Learning is great but we must learn correctly.&nbsp; Three dots is a quadrans; four dots would be triens.&nbsp; The system worked on base 12.&nbsp; That means the 1/3 coin (triens) would be 4/12 and be marked with four dots while the 1/4 coin (quadrans) would be 3/12 and be marked with three dots.&nbsp; The names indicated the fraction of the whole (as) not the number of dots.&nbsp; We also see the 1/6th coin with two dots called sextans and the 1/12, one dot, uncia.&nbsp; Unfortunately inflation and weight standards changes resulted in an earlier quadrans (for example) being larger than a later triens.&nbsp; The Romans switched to an S rather than six dots for the 1/2 or 6/12 coin called the semis.&nbsp; Rarely, they even issued some oddballs with other fractions but new collectors are not likely to encounter them except in posts by some of our real hardcore Republican specialists.&nbsp; The Greek cities of Italy and Sicily often used the same 12 system but used Greek names for the set and used six dots for the 1/2 coin.&nbsp; That is overkill for this post.&nbsp; </p><p>Semis</p><p>[ATTACH=full]1199895[/ATTACH] </p><p><br /></p><p>Quadrans</p><p>[ATTACH=full]1199896[/ATTACH] </p><p><br /></p><p>Uncia (This one is earlier and larger than the above, later, quadrans.)&nbsp; </p><p>[ATTACH=full]1199894[/ATTACH][/QUOTE]</p><p><br /></p>

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