Polystamps produced sets of 8 labels showing army tanks and Royal Navy ships in blue and red (green too?) in the 1950s. Unusually, they were printed in sheets of 64 comprising 4 full sets of each, rather than in simple, single set sheets
Left half of sheet, Tanks:

Right half of sheet, Royal Navy:

I imagine that if these were mostly retailed in single sets, whole sheets must be a quite scarce survival. Does anyone know if there was a 'stick in' folder or album for them?
Chris Wren