Banknote grading explained: UNC to Good

Grade is the single biggest lever on a banknote's price. Two notes of the exact same country, year, and variety can trade hands at prices that differ by several multiples — and the only difference between them is condition. Learn to read the grading language and you stop overpaying for tired paper and start recognizing the crisp examples worth holding.

The grading ladder, top to bottom

Collectors describe condition on a ladder. From the top:

• Uncirculated (UNC) — never folded, never spent. Original paper, full crispness, sharp corners. This is the valuation baseline almost every price chart is built on.
• About Uncirculated (AU) — looks UNC at a glance, but betrays one light fold or a trace of counting handling. Often 60–80% of an UNC price.
• Extremely Fine (XF / EF) — strong eye appeal with a few light folds; paper still has body and the design is sharp.
• Very Fine (VF) — clearly circulated, several folds, softer paper, but no holes or tears. This is where most honest collectible notes live.
• Fine (F) — well circulated, many folds, edges showing wear, possibly minor problems.
• Very Good (VG) and Good (G) — heavily worn, soft, often with small tears, stains, or pinholes. Bought for the design or scarcity, not the paper.

Why a single fold matters so much

The jump from a folded note to a true Uncirculated example is the steepest on the whole ladder. Crispness and centering are exactly what advanced collectors compete for, so the market pays a sharp premium for paper that has never moved. One vertical fold is enough to drop a note out of UNC entirely — and with it, a large slice of the price. When you scan a note in NoteLens and slide the condition selector, that steep step is what you're watching the reference range respond to.

How to grade your own notes honestly

• Use raking light. Tilt the note under a lamp so light skims across the surface. Folds and counting creases that vanish under flat light jump right out.
• Check the corners first. Rounded or soft corners are the fastest tell that a note has been handled, even if the body looks clean.
• Look at centering. Wide margins on all four sides command a premium; a design crowded against one edge grades and prices lower.
• Be ruthless about problems. Pinholes, stains, writing, tape, and trimmed edges are not grades — they are deductions, and serious buyers spot them instantly.
• Grade conservatively. When you're between two grades, pick the lower one. The market — and your future buyer — will too.

Reading the price behind the grade

Grade only tells you where a note sits on the condition ladder; it does not tell you the number by itself. The same UNC grade is worth wildly different sums on a common note versus a scarce variety. That's why NoteLens pairs the variety match with a condition selector: identify what the note is, then dial in the grade to see where the market reference range lands. Treat that range as a starting point for negotiation, not a verdict.

> Value figures are market reference range estimates — not appraisals, grading certifications, or investment advice. Actual prices depend on condition, demand, and where you sell.