This work formerly enjoyed copyright in Singapore but is now in the public domain because its term of copyright has expired. According to the Copyright Act (Cap. 63) of Singapore:
for an ...
copyright has expired if ...
pursuant to ...
anonymous or pseudonymous literary, dramatic or musical work, or artistic work other than a photograph (unless the identity of the author is generally known or can be ascertained by reasonable inquiry within the period stated in the next column)
70 years have passed since the end of the calendar year in which the work was first published (that is, it was first published before or in 1951)
section 29
When using this template, please state when the work was first published, and that the author is unknown and cannot be ascertained by reasonable inquiry