Across
Nicker, small amount of money (6)
I haven't cracked this one yet — but Fifteensquared have:
COPPER as in policeman (one who nicks people, therefore a "nicker")
Gold coin unknown as penny farthing (8)
Flooding ruins fantastic hotel (6)
I haven't cracked this one yet — but Fifteensquared have:
*(ruins) [anag: fantastic ] + H (hotel)
Without risk, bank on shilling, old money (8)
I haven't cracked this one yet — but Fifteensquared have:
RELY ("bank") on S (shilling) + ECU ("old money")
Fraud pattern, deliberate (11)
Payment method recalled with sovereign, a coin of old (7)
I haven't cracked this one yet — but Fifteensquared have:
<=CARD ("paymemt method", recalled ) with HM (His Majesty, so "sovereign") + A
Capital, money held by staff (7)
Start to earn sterling (3,8)
Sweet thing with lapel put up (8)
Old coin – Sol? (6)
I haven't cracked this one yet — but Fifteensquared have:
A TANNER was a sixpence in pre-decimal days, and "Sol" is another word for the Sun, which tans, so could be described as a TANNER.
Pipsqueak should save money – that's basic (8)
Booze alongside drinking money (6)
Down
Tenant fees seldom put up? Not entirely! (6)
Strong wind on crane worried worker without contract (10)
I haven't cracked this one yet — but Fifteensquared have:
F (forte, so loud, or "strong" in music) + REEL ("wind") on *(crane) [anag: worried ]
Crazy motorway driver, see – precisely! (8)
I haven't cracked this one yet — but Fifteensquared have:
NUT ("crazy driver") on M1 (the "motorway" between Edinburgh and London) + ELY (cathedral city in England, so "see" or diocese)
Agree how money might possibly be liquidated? (8)
I haven't cracked this one yet — but Fifteensquared have:
-cide normally indicates murder, as in homicide or matricide, so COINCIDE could be considered the murder (or liquidation) of coins or money.
Tender payment in support of secretary (8)
Credit people having failed exam (4)
Plaything, time after time having gone up? (2-2)
I haven't cracked this one yet — but Fifteensquared have:
<=( (t) OY -(t) OY) ("plaything" with T (time) having gone, up, twice ("time after time") and &lit.
Material for modelling credit in Spain (10)
American hunter accommodated in lodge (8)
Without money, blagger wasted opportunity ultimately (8)
I haven't cracked this one yet — but Fifteensquared have:
*(blagger) [anag: wasted ] + (opportunit) Y [ ultimately ]
Exhilarated, start event (4,4)
Tea vessel tipped up in Hindu centre (6)
I haven't cracked this one yet — but Fifteensquared have:
CHA ("tea") + <=ARK ("vessel", tipped up )
Limitless adventure holiday thousands of miles away? (4)
I haven't cracked this one yet — but Fifteensquared have:
[ limitless ] (s) AFAR (i) ("adventure holiday")
Guinea, say: pound plus? (4)
Type letters or click words in the clue