Showgard Mount Size Guide for U.S. Stamps

Use this table to determine the correct Showgard to use for mounting U.S. Stamps in the formats you collect (single, pair, blocks, strips, etc). To locate an item in the shopping cart you can use the search engine at the bottom of the page. Once a search is complete you can return to this page by clicking the 'Previous Page' button. (Using the back space button on your browser will negate the selection from your shopping cart).

To look up the appropriate size for a particular stamps, size guides are provided for all U.S. stamps beginning in 1940. Use the appropriate link to the year of issue for the stamp you are need to protect. Each page also has a search engine for use once you determine the mount you need.



 
Horizontal Commemorative
Single J 40/25
Vertical Pair   No. 50
Horizontal Pair or Strip   No. 25
Block of 4   No. 50
Plate Block of 4
(Plate #'s on narrow selvage)
  No. 105/57
Plate Block of 4
(Plate #'s on wide selvage)
  No. 106/55
Plate Blocks from Sheets
of 20 Stamps
  No. 63
Plate Strip of 6 to 20
with Floating Numbers
  No. 111
Sheets of 20 Stamps   No. 204/153

 
Vertical Commemorative
Single JV 25/40
Vertical Pair   No. 80
Horizontal Pair or Strip   No. 41
Block of 4   No. 80
Plate Block of 4
(Plate #'s on narrow selvage)
  No. 105/57
Plate Block of 4
(Plate #'s on wide selvage)
  No. 106/55
Plate Blocks from Sheets
of 20 Stamps
  No. 165/94
Plate Strip of 6 to 20   No. 107
Plate Strip of 6 to 20
with Floating Numbers
  No. 111
Sheets of 20 Stamps
and Legends of Hollywood
  No. 188
Bugs Bunny Type
Sheetlets of 10
  No. 229/131

 
Horizontal Regular Issue
Single EH 25/22
Vertical Pair   No. 44
Horizontal Pair   No. 22
Block of 4   No. 44
Plate Block of 4   No. 57/55
Plate Blocks from Sheets
of 20 Stamps
  No. 63
Plate Strip of 6 to 20   No. 260/55
Plate Strip of 6 to 20
with Floating Numbers
  No. 260/59
Sheets of 20 Stamps   No. 127

 
Vertical Regular Issue
Single E 22/25
Vertical Pair   No. 50
Horizontal Pair or Strip   No. 25
Block of 4   No. 50
Plate Block of 4   No. 57/55
Plate Blocks from Sheets
of 20 Stamps
  No. 63
Plate Strip of 6 to 20   No. 260/55
Plate Strip of 6 to 20
with Floating Numbers
  No. 260/59
Sheets of 20 Stamps   No. 127
ATM Self Adhesive Panes   No. 68
Booklet Panes of 20 Stamps   No. 192/201

 
Horizontal Jumbo Commemoratives
Single C 50/31
Vertical Pair   No. 63
Horizontal Pair or Strip   No. 31
Block of 4   No. 63
Plate Block of 4   No. 127/70
Plate Strip of 6 to 20   No. 127

 
Vertical Jumbo Commemoratives
Single CV 31/50
Vertical Pair   No. 100
Horizontal Pair or Strip   No. 50
Block of 4   No. 100
Plate Block of 4   No. 127/70
Plate Strip of 6 to 20   No. 127

 
Famous American and
Champions of Liberty
Single T 25/27
Vertical Pair   No. 260/55
Horizontal Pair or Strip   No. 27
Block of 4   No. 50
Plate Block of 4   No. 260/55
Plate Block of 4
.08 Champions of Liberty
  No. 63
Plate Block of 4
.04 Champions of Liberty and
Famous Americans
  No. 260/55

 
Horizontal Semi-Jumbo Commemorative
Single AH 41/31
Vertical Pair   No. 63
Horizontal Pair or Strip   No. 31
Block of 4   No. 63
Plate Block of 4   No. 70
Plate Strip of 6 to 20   No. 107
Classic Series of Sheets
of 20 Stamps
  No. 192/201

 
Vertical Semi-Jumbo
Single AV 41/31
Vertical Pair   No. 82
Horizontal Pair or Strip   No. 41
Block of 4   No. 82
Plate Block of 4   No. 107
Plate Strip of 6 to 20   No. 107
Classic Series of Sheets
of 20 Stamps
  No. 192/201

 
Square Commemorative
Single S 31/31
Vertical Pair   No. 63
Horizontal Pair or Strip   No. 31
Block of 4   No. 63
Plate Block of 4   No. 100
Plate Strip of 6 to 20   No. 100
Celebrate the Century Sheets   No. 191/229

 
Mini Regular Issues
Single   No. 20
Vertical Pair   No. 39
Horizontal Pair or Strip   No. 20
Block of 4   No. 39
Plate Block of 4   No. 66

 
Horizontal Coils
Single   No. E 25/22
Horizontal Pair   No. 25
New strip of 3   No. 67/25
New strip of 5-11   No. 260/25

 
Federal Duck Stamps
Single DH 52/36
Vertical Pair   No. 74
Horizontal Pair or Strip   No. 36
Block of 4   No. 70
Plate Block of 4   No. 89
Self Adhesive Sheetler   No. 66
U.S. Specialties
Souvenir Sheets to 1975 Group AB
1994 Souvenir Sheets Group 94
Pacific 97 Issues GrpPac97
Columbian Souvenir Sheets   No. 111/91
Ameripex Presidential Sheetlets   No. 120/207
U.S. Classics Mini-Sheets   No. 192/201
Celebrate the Century   No. 191/229
U.S. Bicentennial &
White Plains S/S
  No. 204/153
World War II Souvenir Sheets   No. 229/131
Trans-Mississippi Re-issues GrpTransMiss
World of Dinosaurs   No. 259/201

Postal Cards, Covers, Booklets, Sheets

  • Post Cards are mounted with size No. 140/89
  • Full Sheets are mounted with size No. 265/231
  • Standard First Day Covers are mounted with size No. 165/94
  • #10 sized First Day Covers are mounted with size No 105
  • Booklet panes are mounted with size No. 44
  • Complete booklets are mounted with size No. 48

Having trouble finding the right size for hard to fit items? The Showgard Accommodation Range can help. The 15 sizes in the Accommodation Range are available as a group in the Masterpack II Assortment which includes 1 strip of each size. You will find the Masterpack II with the other Assortment Sets

Showgard Mount Size Guide

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