| ? |
Indicates unsubstantiated information |
| (+) |
Information following this sign is not always included |
| (R) |
Retired |
| 2DY |
2 digit year |
| 4DY |
4 digit year |
| CRM |
Copyright Mark |
| D + 4DY |
Year of Death |
| D/M/2 or 4DY |
day and month as numbers |
| Date |
exact format of date paperweight was made is unknown |
| Day/Month/2 or 4DY |
day and month spelled out |
| DPSC |
The Dictionary of Paperweight Signature Canes by Andrew H. Dohan – Used as a primary reference or used to confirm other research. |
| ED# |
Edition number |
| F + 4DY |
Year studio was founded |
| HIS |
Historical note |
| ID# |
Numbers and letters used by artists to identify the weight |
| ISP |
Internet sales presence – artist has sold several weights but no information on the artist is available |
| Labels |
Can be with or without a signature. Many labels have been removed from weights for a variety of reasons. |
| LSTF |
List of paperweight artists compiled by Tom Fuhrman |
| M/2 or 4DY |
month as a number |