Desexing is the only answer

Glass Cinema Slide for the RSPCA dated 1975. The slide has an image of a bunch of cute puppies with text saying, "could you kill these?" and "desexing is the only answer".
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Title:
Desexing is the only answer
NFSA ID
776681
Year
1975
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A glass cinema slide from 1975 by Val Morgan Cinema Advertising for the RSPCA, encouraging pet owners to have their pets desexed.