WYG World Glass Grading Standard

Developed by WYG Hawai‘i to establish a structured methodology and framework for grading consistency, provenance integrity, rarity classification, and long-term collectibility within contemporary glass art.


Purpose of the Standard

The WYG World Glass Grading Standard™ was developed to introduce a structured framework for evaluating craftsmanship, rarity, execution difficulty, provenance integrity, authentication, and long-term collectibility within contemporary glass art.


Technical Grading Categories

A — Clarity & Visual Flaws

B — External Symmetry

C — Internal Geometric Symmetry

D — Cut & Craftsmanship

E — Color Rarity

F — Color Difficulty


Classification Tiers

Studio Work

Signature Work

Master Work

Historic Heirloom

Benchmark Series


Rare Execution Classification™

Foundational

Advanced

Rare

Master

Historic


Registry & Authentication

Certified works may include Artifact IDs, registry serial numbers, provenance documentation, authentication verification, and long-term archival tracking through the WYG Hawai‘i registry framework.


Ongoing Development

The WYG World Glass Grading Standard™ remains under continuous refinement through active implementation, archival evaluation, documentation practices, and long-term study within the evolving field of contemporary glass art.


WYG World Glass Grading Standard™

Developed and maintained by WYG Hawai‘i.

All rights reserved © 2026 WYG Hawai‘i™

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