size 17,7 x 12,7 cm, undated
size 27,5 x 20 cm, Dutch issue
size 18 x 11 cm, undated, unnumbered
size 17,7 x 12,7 cm, dated 840814. with specifications on the reverse
size 17,7 x 12,7 cm, dated 850110. with specifications on the reverse
size 17,7 x 11,9 cm, undated
size 17,7 x 12,6 cm, undated
size 18 x 12,5 cm, dated, country unknown
