pentax smc 30mm 2.8 $300US EX
pentax smc 35mm 3.5 $100US ( k version) Good
pentax smc 77mm limited $450 US Mint
Tamron SP LD 400mm IF f4 adaptall $800 Good
Tamron 17mm 3.5 adaptall $200US x2
Pentax AF 1.7x adaptor/teleconvertor $150 EX
Pentax LX ( recenctly overhauled) with FA-1 and Fb-1 and FD-1 viewfinders
$500US EX
Pentax FA 24mm F2 $250 US
Pentax smc 28mm 3.5 SHIFT lens MINT $600US
plus not so rare

Pentax MZ-S with grip $650
Sigma AF 28-70mm f2.8 EX mint $200
Sigma AF 70-200mm EX f2.8 mint $475