Clean group of four complete Topps basketball sets from the 1970s.  Collection includes: 1) 1977-78 Topps Complete Set (132): Attractive set exhibiting very little handling, mostly higher-grade save for the typical Topps quality control issues of the era.  2% NM-MT, 9% NM, 36% EX/MT, 41% EX, 11% VG/EX with a few lesser, keys grading as follows: #1 Abdul-Jabbar (EX), #20 Maravich (VG/EX), #56 Dantley (VG/EX), #60 Thompson (EX), #70 Havlicek (EX/MT), #73 Gervin (EX/MT), #91 Skinner (G), #100 Erving (VG/EX), #111 Parish (EX/MT), #120 Walton (NM), #132 Dawkins (EX/MT). 132 cards total. 2) 1978-79 Topps Complete Set (132): Another attractive, lightly-handled set, the primary condition flaw related to light handling resulting in slight corner wear.  6% NM, 36% EX/MT, 45% EX, 13% VG/EX, with keys grading as follows: #1 Walton (EX), #20 Gervin (EX), #75 King (VG/EX), #78 Johnson (EX/MT), #80 Maravich (EX), #86 Parish (EX/MT), #95 Goodrich (EX), #110 Abdul-Jabbar (VG/EX), #117 Sikma (EX/MT), #130 Erving (EX/MT). 132 cards total. 3) 1979-80 Topps Complete Set (132): Attractive and sharp set, this set has centering issues throughout that reduce the technical grade. 1% NM, 19% EX/MT, 52% EX, 23% VG/EX, 4% VG, a few lesser, with the understanding that the grade reductions relate mostly to centering, with some light corner wear here and there.  Keys grade as follows: #10 Abdul-Jabbar (EX), #20 Erving (EX), #31 English (VG/EX), #60 Maravich (EX), #84 Tyler (EX), #93 Parish (VG). 132 cards total. 4) 1981-82 Topps Complete Set (198): Attractive set, grading 3% NM-MT, 15% NM, 69% EX/MT, and 13% EX with the primary condition flaws relating to centering, along with signs of light handling. Keys grade as follows: #4: Bird (EX/MT), #20 Abdul-Jabbar (EX/MT), #21 Johnson (EX/MT), #30 Erving (EX), #74 Limber (EX), #75 McHale (EX), #101 Bird SA (EX), #109 Johnson SA (NM).  198 cards total.  A strong collection of modern basketball sets, loaded with important stars and rookies.  Four sets total.