| Thumbnail |  | 
            
            | Catalog Number | 2179 | 
            
            | Description | Virginia Apgar, MD | 
            
            | Denomination | 20c | 
            
            | Color | red brown | 
            
            | Variety | Single Stamp | 
            
            | Printer | Banknote Corporation of America | 
            
            | Years | 1994 | 
            
            | Sorter | 2510 | 
            
            | Ebaylink | http://www.ebay.com/csc/United-States/261/i.html?_armrs=1&_from=R40&_pcats=260&LH_Complete=1&LH_Sold=1&_nkw=%232179+Great&_sop=16 | 
            
            | HiRes |  | 
            
            | Type | Reg | 
            
            | Detlink | https://stampsmarter.org/PNT/watermark/nowatermark.jpg | 
            
            | PicDetlink1 | https://stampsmarter.org/PopupStampId/PB.aspx?ScottNumber=2179 | 
            
            | Date Issued | 10/24/1994 | 
            
            | Perforation | 11.2 x 11.1 | 
            
            | Watermark | Unwatermarked | 
            
            | Num Produced | 251,000,000 | 
            
            | Paper | Tagged | 
            
            | Printtype | Engraved | 
            
            | Gum Type | Water Activated | 
            
            | Series | Great Americans |