The Postal Service is reminding customers that metallic mercury and devices containing metallic mercury are always prohibited in the mail stream.
This includes antique items such as thermometers, barometers, blood pressure monitors and similar devices.
| Quick Service Guide > 604a Quick Service Guide | 
Purchase price, 85¢; Postage value, 73¢ Save Vanishing Species Semi-Postal Issued September 20, 2011 | 
Purchase price, 85¢; Postage value, 73¢ Alzheimer's Discretionary Semi-Postal Issued November 30, 2017 | 
Purchase price, 85¢; Postage value, 73¢ Breast Cancer Research Semi-Postal Issued July 29, 1998 | 
Purchase price, 85¢; Postage value, 73¢ Healing PTSD Discretionary Semi-Postal Issued December 2, 2019 | | 
5 Cents Art Deco Bird Presort Issued February 11, 2011 | 
25 Cents Spectrum Eagle Presorted First-Class Issued January 3, 2012 | 
41 Cents American Flag Issued April 12, 2007 | 
10 Cents Patriotic Banner Presorted Standard Issued July 4, 2007 | 
39 Cents Love: True Blue Issued January 3, 2006 | 
39 Cents Lady Liberty and U.S. Flag Issued December 8, 2005 | 
25 Cents American Eagle Presorted First-Class Issued August 5, 2005 | 
Postage value, 37 cents Stop Family Violence Semi-Postal Issued October 8, 2003 | 
Postage value, 37 cents Heroes of 2001 Semi-Postal Issued June 7, 2002 | 
37 Cents U.S. Flag Issued June 7, 2003 | 
37 Cents Antique Toys Issued June 7, 2002 | 
15 Cents Woody Wagon Presorted First-Class Card Issued August 3, 2001 | 
10 Cents Atlas Rockefeller Center Presorted Standard Issued June 29, 2001 | 
34 Cents Love Letters Issued January 19, 2001 | 
10 Cents The New York Public Library Presorted Standard Issued November 9, 2000 | 
34 Cents Farm Flag Issued December 15, 2000 | 
34 Cents Statue of Liberty Issued December 15, 2000 | 
34 Cents 4 Flower Issued December 15, 2000 | 
1 Cent H Stamp Make-Up Price Issued November 9, 1998 | 
33 Cents H Stamp First-Class Mail Price U.S. Addresses Only Issued November 19, 1998 |
10 Cents Bicycle Presorted Standard Issued August 18, 1998 | 
25 Cents Diner Presorted First-Class Issued June 5, 1998 | 
5 Cents Wetlands Nonprofit Issued June 5, 1998 | 
5 Cents Mountain Presort Issued March 16, 1996 | 
15 Cents Auto Tail Fin Presorted First-Class Card Issued March 17, 1995 | 
5 Cents Sheep Presort Issued March 10, 1995 Envelope (Sizes #6 3/4 and #10) | 
25 Cents Juke Box Presorted First-Class Issued March 17, 1995 | 
10 Cents Graphic Eagle Presort Issued March 10, 1995 Envelope (Size #10) | 
20 Cents G Stamp Old Glory Postcard Price Only Issued December 13, 1995 | 
25 Cents G Stamp Old Glory First-Class Presort Only Issued December 13, 1994 | 
32 Cents G Stamp Old Glory U.S. Addresses Only Issued December 13, 1994 | 
3 Cents G Stamp Make-Up Price Issued December 13, 1994 | 
10 Cents Eagle and Shield Presort Issued December 13, 1991 | 
29 Cents Santa’s Visit Issued October 17, 1991 | 
29 Cents Santa’s Visit Issued October 17, 1991 | 
29 Cents Santa’s Visit Issued October 17, 1991 | 
29 Cents Santa’s Visit Issued October 17, 1991 | 
29 Cents Santa’s Visit Issued October 17, 1991 | 
29 Cents Antoniazzo (Madonna & Child) Issued October 17, 1991 | 
29 Cents F Flag Issued January 22, 1991 |
4 Cents F Stamp Make-Up Price Issued January 22, 1991 | 
29 Cents F Stamp Issued January 22, 1991 | 
25 Cents E Stamp Issued March 22, 1988 | 
14 Cents Charles Carroll Issued February 1, 1985 Postal Card | 
22 Cents D Stamp and Envelope Issued February 1, 1985 | 
20 Cents Botticelli (Madonna & Child) Issued October 28, 1981 | 
20 Cents Teddy Bear Issued October 28, 1981 | 
13 Cents Robert Morris Issued October 11, 1981 Stamped Card | 
20 Cents C Stamp and Envelope Issued October 11, 1981 | 
12 Cents B Postal Card Issued March 15, 1981 | 
18 Cents B Stamp and Envelope Issued March 15, 1981 | 
15 Cents A Stamp and Envelope Issued May 22, 1978 | 
10 Cents John Hancock Issued May 19, 1978 Postal Card | 
10 Cents Ghirlandaio (Madonna & Child) Issued October 14, 1975 | 
10 Cents Prang (Early Greeting Card) Issued October 14, 1975 | 
5 Cents USA Patriotic Nonprofit Issued February 10, 2017 | 
25 Cents Star Quilts Presorted First-Class Issued July 6, 2016 | 
10 Cents Stars and Stripes Presorted Standard Issued February 27, 2015 | 
5 Cents USA Nonprofit Nonprofit Issued April 28, 2016 | 
10 Cents Snowflake Presorted Standard Issued October 1, 2013 | 
10 Cents Presorted Star Presorted Standard Issued February 3, 2020 | 
5 Cents Butterfly Garden Flowers Nonprofit Issued February 1, 2022 | 
10 Cents Flags on Barns Presorted Standard Issued April 14, 2022 | 
5 Cents Patriotic block Nonprofit Issued March 1, 2023 | 
25 Cents Bridges Presorted First Class Issued August 24, 2023 |
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