Chinese. Mace and candareen are traditional East Asian measures of weight. A candareen is equal to 10 cash, and is 1/10 of a mace. As per Wikipedia.
Among other things, the overall mushiness of the details compared to a genuine example. Compare yours to certified coins, and I hope the difference becomes obvious.
use this for my bills, PMG Paper Money Grading Scale: 70 Gem Unc70 EPQ The highest grade assigned. Notes must have no evidence of handling visible at 5x magnification. The margins and registration must appear centered to the unaided eye. Notes must qualify for the PMG Star () Designation to be graded 70. Superb Gem Unc69 EPQ This note is nearly visually indistinguishable from a 70 but the margins and registration may appear slightly off center. There is no evidence of handling visible to the unaided eye. Superb Gem Unc68 EPQ The margins and registration are slightly off center. There may be very minor handling. Superb Gem Unc67 EPQ A note with above-average margins and registration. There may be minor handling. Gem Uncirculated66 EPQ There may be slightly more handling than a 67 EPQ note. The centering must be above average. Gem Uncirculated65 EPQ The note may have one or two minor distractions as a result of minor handling. The centering must be above average. Notes must qualify for PMG’s Exceptional Paper Quality (EPQ) designation to be graded 65 and higher. Notes graded 25 to 64 are eligible for PMG’s EPQ designation if they meet the standards described below. Choice Uncirculated64 The centering is off on one or two sides. Some handling may be evident but there must be no folds in the design. Choice Uncirculated63 The centering is imperfect and the design may be flat. There may be several flaws but there will be no folds. Uncirculated62 The note is strictly uncirculated but may have minor-to-moderate handling and/or corner tip issues. There will be no folds, however. The margins may touch or come into the design. Uncirculated61 The note is poorly centered and the margins come into the design. There may be counting marks, smudges or other signs of handling. There will be no folds through the design. Uncirculated60 A note with problems that may include toned paper, a small stain or fading. There will be handling issues but there will be no folds through the design. Choice About Unc58 Often a note with a single fold that crosses the design. About Uncirculated55 This grade is commonly assigned to a note that has one fold or two to three corner folds through the design. About Uncirculated53 A note with two vertical folds or a single horizontal fold. May also have signs of handling. About Uncirculated50 The note has two heavier folds or light horizontal and vertical folds. The handling can be significant. Choice Extremely Fine45 A note with two to three heavy folds, one of which may be horizontal. Extremely Fine40 There are three or more folds, one of which may be horizontal. Choice Very Fine35 For years dealers and collectors called this grade “VF-XF.” This note looks Extremely Fine, but it will have four to seven light folds. Very Fine30 This note will be lightly circulated and may have light soiling. There will typically be seven to ten folds. Very Fine25 A note that shows modest evidence of circulation as well as more folds and/or soiling than a note graded 30. Very Fine20 The note is moderately circulated with numerous folds, mild soiling. There are no serious detractions but there may be minor defects. Choice Fine15 This note may look like a Very Fine note, but upon closer examination it is found to have too many folds or too much circulation to warrant a Very Fine grade. Fine12 The evidence of circulation is considerable with rounded corners, margin splits and other issues. The note must be whole with solid paper. Very Good10 A solid, whole note with lots of circulation. The note is too limp and has a number of minor problems. Very Good8 The note is heavily circulated but is intact. Some small pieces may be missing. Soiling, light stains or splits are common for this grade. The note is limp. Good6 The note is very worn with serious splits, fraying of the margins and damage. Good4 A very heavily circulated note with numerous problems. It is totally limp with impaired visual appeal. Notes in this grade are commonly seen with pieces missing. Grades under 4 Good are generally not collectible unless the note is rare. Most notes at these grade levels are “Net” graded due to major problems.
You won't find a Chinese coin in the Official Guide for US Coins ! Check the Heritage Auction archives. Or maybe someone can post a more useful reference?
