Belgium, Classics Collection, 1849-1875. Massive study of the early issues, literally 100's of imperf Leopold heads from #1-16, many identified by shade including some scarce examples, separated by framed and unframed "LL" watermark, thin or thick paper, etc; some in pairs and strips; a wealth of cancels to be studied, couple covers, huge catalog value, occasional mint stamp, mixed condition, please examine. Estimate  $2,000 - 3,000. $0 (Image)