Box Papers Accessory Value Ratio Screen
Screen the value difference assigned to a box and papers against a caller-defined percentage limit without claiming a universal collector premium.
Description
Box-and-papers valuation difference can be expressed relative to a supplied base watch value.
Box-and-papers valuation difference can be expressed relative to a supplied base watch value. The allowed accessory percentage is caller-selected.1
Screen the value difference assigned to a box and papers against a caller-defined percentage limit without claiming a universal collector premium.
When to use Box Papers Accessory Value Ratio Screen
Use this tool to screen the value difference assigned to a box and papers against a caller-defined percentage limit without claiming a universal collector premium.
Choose a supported reference focus or prepare the watch measurements, evidence and explicit limits requested. Confirm units and date conventions before running.
How to use Box Papers Accessory Value Ratio Screen and understand its results
- Choose a supported reference focus or prepare the watch measurements, evidence and explicit limits requested. Confirm units and date conventions before running.
- Enter maximumAllowedAccessoryValuePercent, watchValueWithBoxAndPapers, watchValueWithoutAccessories using the field table and calculation rules, then run the tool.
- Read accessoryValueDifference, accessoryValuePercentOfBase, valuationCaution, withinCallerPercentage. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| maximumAllowedAccessoryValuePercent | Maximum allowed accessory value percentage (%) | number; minimum: 0 | Required |
| watchValueWithBoxAndPapers | Value with box and papers | number; minimum: 0 | Required |
| watchValueWithoutAccessories | Value without accessories | number; minimum: 0 | Required |
Enter nonnegative base and accessory-inclusive value no lower than base, plus nonnegative percent ceiling. Return difference, percent, inclusive gate and caution. Zero base returns percent zero as a placeholder.
difference=withAccessories−base; percent=100difference/base Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| accessoryValueDifference | Accessory value difference | number; minimum: 0 |
| accessoryValuePercentOfBase | Accessory value as percent of base (%) | number; minimum: 0 |
| valuationCaution | Valuation caution | string |
| withinCallerPercentage | Within caller percentage | boolean |
{
"input": {
"maximumAllowedAccessoryValuePercent": 20,
"watchValueWithBoxAndPapers": 12000,
"watchValueWithoutAccessories": 10000
},
"output": {
"accessoryValueDifference": 2000,
"accessoryValuePercentOfBase": 20,
"valuationCaution": "Originality, maker, reference, completeness, condition, provenance, and market demand determine accessory value; this ratio does not create a universal box-and-papers premium.",
"withinCallerPercentage": true
}
} Limitations and assumptions
No appraisal, authenticity or universal accessory premium is established.
Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors. A successfully returned false flag is an evaluated outcome; its meaning is explained above.
Alternative or Complementary methods
Use Case Geometry Loss Pattern Screen: Screen measured case-geometry loss against a reference dimension and explicit percentage limit without treating the result as an originality verdict. For a complementary task, use Auction Tiered Buyer Premium Calculator: Apply caller-supplied progressive buyer-premium bands to an auction hammer price and add explicit charges; tax treatment remains outside the calculation.
References
-
Box Papers Accessory Value Ratio Screen — tool.io
Similar or alternative tools
- Case Geometry Loss Pattern Screen
Screen measured case-geometry loss against a reference dimension and explicit percentage limit without treating the result as an originality verdict.
- Auction Tiered Buyer Premium Calculator
Apply caller-supplied progressive buyer-premium bands to an auction hammer price and add explicit charges; tax treatment remains outside the calculation.