Just paper, just plastic?

Tibet pick 11a: 100 Srang from 1942

ND (1942-1959). Orange on yellow underprint. Two lions with fruit bowl at center. two lines of text. Round seal at left. Back: orange, green, red, and black. Seated figure. Large text is 93-94mm long. These notes were made by pasting together three sheets, the middle one having a two line security legend printed on it.