Regular Postcard Backings. 3-1/2 x 5-5/8". 0.040" thick acid-free, lignin-free, buffered board. All white. Indefinite storage.
Details
MUSEUM GRADE
Regular Postcard Backings
3-1/2 x 5-5/8"
0.040" thick, acid-free, lignin-free buffered board.
All white. Indefinite storage.
Use with: SPCR2, SPCR4,SPPPCR poly sleeves.
Regular Postcard Backings
3-1/2 x 5-5/8"
0.040" thick, acid-free, lignin-free buffered board.
All white. Indefinite storage.
Use with: SPCR2, SPCR4,