Bing & Grondahl - Bing & Grondahl produced the first collectible plate, known as 'Behind the Frozen Window' in 1895, and a first edition of that plate sells for more than $2,500 on eBay.

reports that some of noted manufacturers include the following: Many companies have produced collector plates over the years, but there are a few that are famous for their plates. Note there can be some variation in how dealers define terminology, but those above are fairly consistent from dealer to dealer. Generally, this type of damage will negatively affect the value.

Fair condition - If a plate is in fair condition, it may have cracks, chips, or crazing.

It may have some discoloration, minor signs of use, and some loss of gold sponging.

Good condition - A plate in good condition may not have its original box.

The plate itself will show no discoloration, cracking, staining, or other damage.

Excellent condition - This plate may come with its box, but the box may be worn.

This is rare, but plates in mint condition are most valuable.

The plate and box will both be perfect, showing no signs of use or wear.

Mint condition - A plate that is in mint condition should have its original box.

According to Passion for the Past Antiques and Collectibles, you can grade vintage and antique china by examining it carefully: Condition is another important factor to consider when assessing the value of a plate.

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