| Thumbnail |
 |
| Catalog Number |
1830a |
| Description |
"Block o 4" Coral Reefs (1827-1830) |
| Denomination |
15c |
| Color |
multi. |
| Variety |
A1214, A1215, A1216, A1217 |
| Printer |
Bureau of Printing And Engraving |
| Years |
1980 |
| Sorter |
2042 |
| Ebaylink |
http://www.ebay.com/csc/United-States/261/i.html?_armrs=1&_from=R40&_pcats=260&LH_Complete=1&LH_Sold=1&_nkw=%231830a+Blocko4&_sop=16 |
| HiRes |
 |
| Type |
Reg |
| Detlink |
https://stampsmarter.org/PNT/watermark/nowatermark.jpg |
| PicDetlink1 |
https://stampsmarter.org/PopupStampId/PB.aspx?ScottNumber=1830a |
| Date Issued |
8/26/1980 |
| Perforation |
11 |
| Watermark |
Unwatermarked |
| Num Produced |
205M |
| Paper |
tagged |
| Printtype |
|
| Gum Type |
Water Activated |
| Series |
|