Wilson Cover Checklist
The following checklist references Henry Gates’ study and supplements that work with varieties shown in red text. I would be happy to add to this list if you have additional cards not noted here. The designation “ERD” is an attempt to record the Earliest Recorded Date of postal usage of each card.

Stacks Image 893
WLS-E01
ERD N/A
Envelope No. Printer's Imprint Remarks
No Gates listing No Gates listing No Gates listing
Stacks Image 1265
WLS-E02 Type I
ERD N/A
Envelope No. Printer's Imprint Remarks
No Gates listing No Gates listing No Gates listing
Stacks Image 1263
WLS-E02 Type II
ERD August 3, 1898
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain back
E-2 Imprint C Wilson ad on back "Patriotic Envelopes"
E-3 Imprint C Song Back No. 1
E-4 Imprint C Song Back No. 2
E-5 Imprint C Song Back No. 3
E-6 Imprint C Song Back No. 17
Stacks Image 1273
WLS-E03 Types I & II
ERD August 24, 1898
Envelope No. Printer's Imprint Number of Eyes Open Remarks
E-1 Imprint C 1 Plain back
E-2 Imprint C 1 Plain back, Colour B
E-3 Imprint C 1 Song Back No. 6
E-4 Imprint C 1 Song Back No. 6, Colour B
E-5 Imprint C (1899) 2 Song Back No. 6
E-6 Imprint C 2 Plain back
Stacks Image 1277
WLS-E04
ERD N/A
Envelope No. Printer's Imprint Remarks
No Gates listing No Gates listing No Gates listing
Stacks Image 1281
WLS-E05
ERD August 30, 1898
Envelope No. Printer's Imprint Number of Stripes Remarks
E-1 Imprint C 7 Plain back
E-2 Imprint C 7 Song Back No. 5
Stacks Image 1285
WLS-E06 Type I
ERD November 2, 1898
Envelope No. Printer's Imprint Number of Eyes Open Number of Red Stripes Back Inscription Remarks
E-1 Imprint C 1 7 iPlain back
E-2 Imprint C 1 7 iii Song No. 4
Stacks Image 897
WLS-P06 Type II
ERD July 19, 1898
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Plain Back, Colour B
E-3 Imprint C Song Back No. 4
E-4 Imprint C Song Back No. 4, Colour B
Stacks Image 1289
WLS-E07 Type I
ERD November 12, 1899
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain back
E-2 Imprint C Song Back No. 7
E-3 Imprint C Song Back No. 8
Stacks Image 1297
WLS-E07 Type II
ERD May 18, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Song Back No. 8
E-2 Imprint C Song Back No. 7
E-3 Imprint C Song Back No. 17
Stacks Image 1301
WLS-P08 Type I
ERD November 20, 1899
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Song Back No. 9
E-3 Imprint C Song Back No. 11
Inscription type vi
Stacks Image 1305
WLS-P08 Type II
ERD January 30, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Song Back No. 9
E-3 Imprint C Song Back No. 10
E-4 Imprint C Song Back No. 11
E-5 Imprint C Song Back No. 12
E-6 Imprint C Song Back No. 11
Inscription type iv
E-7 Imprint C Song Back No. 11
Inscription type vi
Stacks Image 1309
WLS-P09 Type I
ERD January 17, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Song Back No. 11
E-3 Imprint C Song Back No. 14
E-4 Imprint C Song Back No. 13
Stacks Image 1313
WLS-P09 Type II
ERD June 28, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Song Back No. 13
E-3 Imprint C Song Back No. 14
E-4 Imprint C Song Back No. 15
Stacks Image 1317
WLS-P10
ERD October 8, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
Stacks Image 1325
WLS-P13
ERD November 2, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C Plain Back
E-2 Imprint C Song Back No. 2
Stacks Image 1321
WLS-P12
ERD August 3, 1900
Envelope No. Printer's Imprint Beaver & Leaves Remarks
E-1 Imprint C (1899) Coloured Plain Back
E-2 Imprint C (1899) Coloured Song Back No. 16
E-3 Imprint C (1900) Uncoloured Song Back No. 16
E-4 Imprint C (1900) Uncoloured Plain Back
Stacks Image 1329
WLS-P11
ERD September 7, 1900
Envelope No. Printer's Imprint Remarks
E-1 Imprint C (1900) Song Back No. 15
E-2 Imprint C (1900) Plain Back