Public auction #38

1972, Bhutan. Collective, progressiv color proofs (9 phases) in crossed gutter pairs for 4 values of the DOGS series. The proofs are colored in yellow/magenta with blue frames and inscriptions. The designs on view are "30ch Fox terrier", "55ch Lhasa Apso", "5nu Boxer" (instead of 99ch) and the NON ADOPTED DESIGN "4nu Poodle". Mint, NH. In all 36 stamps. (Sc #149H, 149I, 149J, 149n.e.i.)