hand drawn sketch style padlock and key. vintage retro etched . safety and security s.

key lock antique illustration padlock retro vintage sketch hand drawn doodle etched engraved object old vector ornament love isolated keyhole close decoration design metal ink privacy protection safe secret security element concept invention private steel tattoo treasure woodcut elegant aged emblem mechanism mystery nostalgia password secrecy victorian confidentiality safety symbol safeguard style symbols white lighting font drawing iron line diagram brand cartoon circle wheel glass machine furniture multimedia