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Publication Date: 1950 - July 1962
Country: United States
Technically this is two titles:
Issues #1-36 are 'M-G-M's Lassie vol 1' according to the indicia & #37-58 are 'Lassie vol 1' in the indicia.
All 58 issues were published in an unbroken run and the only notable difference between the two titles is that 'M-G-M's' Lassie' had painted covers and 'Lassie' had photo covers.
Number of issues cataloged: 60