Oct. 31, 1983 SI “Pro Basketball Preview” Signed by Houston’s Ralph Sampson. Lot 318. Oct. 31, 1983 SI “Pro Basketball Preview” Signed by Houston’s Ralph Sampson. Ex-m cover is detached from the pages. Sharpie 10 signature. Auth-enticated by Kevin Keating. Minimum Bid $25. Back to List Minimum Bid $25 Back to List