| Thumbnail |
 |
| Catalog Number |
1541a |
| Description |
Mineral Heritage Issue |
| Denomination |
4x10c |
| Color |
blue and multi |
| Variety |
Block of 4 |
| Printer |
Bureau of Printing And Engraving |
| Years |
1974 |
| Sorter |
1694 |
| Ebaylink |
http://www.ebay.com/csc/United-States/261/i.html?_armrs=1&_from=R40&_pcats=260&LH_Complete=1&LH_Sold=1&_nkw=%231541a+Mineral&_sop=16 |
| HiRes |
 |
| Type |
Reg |
| Detlink |
https://stampsmarter.org/PNT/watermark/nowatermark.jpg |
| PicDetlink1 |
https://stampsmarter.org/PopupStampId/PB.aspx?ScottNumber=1541a |
| Date Issued |
6/13/1974 |
| Perforation |
11 |
| Watermark |
Unwatermarked |
| Num Produced |
167,212,800 |
| Paper |
Tagged |
| Printtype |
litho, engr (Glori) |
| Gum Type |
Water Activated |
| Series |
|