Tech sign could be work of artist ... (8)

I believe the answer is:

etchings

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'tech sign could be work of artist' is the definition.
I can't judge whether this definition defines the answer.

'tech sign could be' is the wordplay.
'could be' indicates anagramming the letters.
'tech'+'sign'='techsign'
'techsign' is an anagram of 'ETCHINGS'.

Can you help me to learn more?

(Other definitions for etchings that I've seen before include "Impressive marks obtained" , "Art prints" , "works of art" , "Artwork" , "Engravings" .)

I've seen this clue in The Irish Independent.

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